Unknown Quantity by Ethel (31 results)
Published by A.L. Burt Company
- Hardcover
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.ThriftBooks-Dallas
Contact seller5-star sellerHardcover. Condition: Fair. No Jacket. Missing dust jacket; Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.
Published by A. L. Burt, New York 1924
- Hardcover
Seller: Dick's Book Barn, Trumansburg, NY, U.S.A.Dick's Book Barn
Contact seller5-star sellerCondition: Used - Good
US$ 8.00
US$ 5.50 shippingShips within U.S.A.Quantity: 1 available
Hardcover. Condition: Good. No Jacket. The pages have yellowed a bit, gut text is tight and clean. The green boards have some stain spots on the front and they have some edge wear.
Published by A L Burt , New York NY 1924
- Hardcover
Seller: GRAHAM HOLROYD, BOOKS, webster, NY, U.S.A.GRAHAM HOLROYD, BOOKS
Contact seller5-star sellerHardcover. Hardcover. very good - fine some spine fading, tight.
Published by A. L. Burt 1924
- Hardcover
Seller: Rare Reads, Athens, GA, U.S.A.Rare Reads
Contact seller5-star sellerCondition: Used - Very good
US$ 10.00
US$ 5.35 shippingShips within U.S.A.Quantity: 1 available
Hardcover. Condition: Very Good. No Jacket. No dust jacket. One bump on cover. Front hinge cracking. Writing on front end page. Very Good condition.

- Softcover
Seller: California Books, Miami, FL, U.S.A.California Books
Contact seller4-star sellerCondition: New
US$ 31.00
Free ShippingShips within U.S.A.Quantity: Over 20 available
Condition: New.
Published by G. P. Putnam's Sons, NY 1924
Seller: Patricia Porter, Kincardine, ON, CanadaPatricia Porter
Contact seller3-star sellerCondition: Used
US$ 10.00
US$ 6.00 shippingShips from Canada to U.S.A.Quantity: 1 available
Hrd Cvr, no dj, some shelf wear, bumped edges, gift inscription to owner inside front cover, cover cracked inside front and back covers , a good reading copy, 429 p, sm 8vo.
Published by A.L Burt Company, New York 1924
- Hardcover
Seller: Between the Covers-Rare Books, Inc. ABAA, Gloucester City, NJ, U.S.A.Between the Covers-Rare Books, Inc. ABAA
Contact seller5-star sellerCondition: Used - Very good
US$ 19.50
US$ 5.50 shippingShips within U.S.A.Quantity: 1 available
Hardcover. Condition: Very Good. Very good. Rubbed along spine ends and corners. Missing front end page. Dark spots along spine.
Published by Hutchinson, London
- Hardcover
Seller: Westwood Books, Cramlington, , United KingdomWestwood Books
Contact seller3-star sellerCondition: Used - Very good
US$ 11.06
US$ 15.44 shippingShips from United Kingdom to U.S.A.Quantity: 1 available
Hardcover. Condition: Very Good. No Jacket. Hutchinson, London, no date. Hard cover. Book condition : Very good, clean text, Spine bumped, corners turned. Book will be sent by UK postal service. Inventory #021223.

- Hardcover
Seller: California Books, Miami, FL, U.S.A.California Books
Contact seller4-star sellerCondition: New
US$ 43.00
Free ShippingShips within U.S.A.Quantity: Over 20 available
Condition: New.

Language: English
Published by London, Hutchinson um 1955. 1955
Seller: Leonardu, Benz, , GermanyLeonardu
Contact seller5-star sellerCondition: Used - Very good
US$ 11.96
US$ 23.22 shippingShips from Germany to U.S.A.Quantity: 1 available
Klein-8°, gebundene Ausgabe. Condition: Gut. 286 pages, Text in English, Cover with traces of use, Sprache: Englisch Gewicht in Gramm: 190.
Language: English
Published by The Universal Library Co. / Hutchinson, London
- Hardcover
Seller: Nimbus, Norwich, United KingdomNimbus
Contact seller3-star sellerCondition: Used - Very good
US$ 8.58
US$ 37.99 shippingShips from United Kingdom to U.S.A.Quantity: 1 available
Cloth Boards. Condition: Very Good. Undated (c.late 1920s). Red cloth hardcover with black frame to front and small Mazda lamp ad. to back. Pp 286. Previous owner's name to blank endpape foxing to last page, o/w a tight, clean, sound example of a scarce edition. Images/further information available upon request.

- Hardcover
Seller: Stephen White Books, Bradford, , United KingdomStephen White Books
Contact seller5-star sellerCondition: Used - Good
US$ 8.86
US$ 44.64 shippingShips from United Kingdom to U.S.A.Quantity: 1 available
Hardcover. Condition: Good. Ex-library book, usual markings. Hardback. Clean copy in good condition. Quick dispatch from UK seller.

Published by Lisboa : Editorial Minerva s.a. [195-]
- Softcover
Seller: Lirolay, Wilmington, DE, U.S.A.Lirolay
Contact seller5-star sellerCondition: Used - Fine
US$ 30.00
US$ 10.00 shippingShips within U.S.A.Quantity: 1 available
Condition: Fine. First Edition in Portuguese. ~ Translation into Portuguese by Fernanda Rodrigues ~ Publishers' wrappers ~ 299+[1]p ~ 19x13x2cm. ~ A beautiful copy, opened and read but in excellent condition. Publishers' advertisements at end ~ LANGUAGE: Português // We accept PayPal & EU bank transfer in EUROS //.

- Softcover
Seller: Majestic Books, Hounslow, , United KingdomMajestic Books
Contact seller4-star sellerCondition: New
US$ 54.78
US$ 8.73 shippingShips from United Kingdom to U.S.A.Quantity: 4 available
Condition: New.

- Softcover
Seller: Books Puddle, New York, NY, U.S.A.Books Puddle
Contact seller4-star sellerCondition: New
US$ 60.07
US$ 3.99 shippingShips within U.S.A.Quantity: 4 available
Condition: New.
Published by Hutchinson, London
- Hardcover
Seller: Dr Jeremy Parrott, London, , United KingdomDr Jeremy Parrott
Contact seller4-star sellerCondition: Used - Very good
US$ 20.00
US$ 26.85 shippingShips from United Kingdom to U.S.A.Quantity: 1 available
Hardcover. Condition: Very Good. Dust Jacket Condition: Very Good. First Edition Thus. Great copy of this novel by a hugely popular author of yesteryear. undated, but from 1950s. Light dust-marking to top edges but VG or better in superb, full-colour pulp-style dw. Announced on wrapper and title page as 163rd Thousand but, let's… face it, where Hutchinson was concerned, print-runs were always an unknown quantity.

Language: English
Published by Hutchinson & Co Publishers Ltd., London, UK 1956
- Hardcover
Seller: CURIO, Cleethorpes, North East Lincolnshire, United KingdomCURIO
Contact seller5-star sellerCondition: Used - Very good
US$ 34.57
US$ 40.28 shippingShips from United Kingdom to U.S.A.Quantity: 1 available
Hardcover. Condition: Very Good. Dust Jacket Condition: Very Good. Hardback copy in beige boards with black lettering to spine. Unclipped dustjacket in new removable protective clear sleeve. 319pp. Not library copy, no inscriptions. (15/4).
Published by The Ryerson Press / G. P. Putman's Sons, Toronto, Canada / New York 1924
- Hardcover
Seller: George Strange's Bookmart, Brandon, MB, CanadaGeorge Strange's Bookmart
Contact seller5-star sellerCondition: Used - Good
US$ 6.00
US$ 42.50 shippingShips from Canada to U.S.A.Quantity: 1 available
Hardcover. Condition: Good. Copyright 1924, no publication or edition year stated. Blue hardcover with gilt titles on the spine. It is lightly soiled and rubbed on all extremities. Minimal markings on ffep. The rest of the book is unmarked. The binding is cracked and pulling away from the spine. Closed tear on the edge of ffep.…The pages are clean but lightly age-toned.
Published by Hutchinson, GB
- Hardcover
Seller: Richard Sylvanus Williams (Est 1976), WINTERTON, , United KingdomRichard Sylvanus Williams (Est 1976)
Contact seller5-star sellerCondition: Used - Very good
US$ 12.54
US$ 42.96 shippingShips from United Kingdom to U.S.A.Quantity: 1 available
Hardback. Condition: VG. VG- DW. Reprint. 93rd Thousand. c1928. Clean tight book BUT some spotting and browning.

- Softcover
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
Contact seller5-star sellerCondition: New
US$ 49.88
US$ 73.27 shippingShips from Germany to U.S.A.Quantity: 2 available
Taschenbuch. Condition: Neu. Neuware - 'The Unknown Quantity' is a captivating novel of romance and emotional intrigue by Ethel M. Dell, a leading voice in early twentieth-century fiction. The story centers on Jeannette Wyckoff, a young woman whose life is transformed by the arrival of an 'unknown quantity'-an unpredictable forc…e of love and destiny that challenges her conventional world. Set in a period of shifting social values, the narrative explores the delicate balance between personal longing and the rigid expectations of society.
Published by John Hamilton 1940
- Hardcover
- First Edition
Seller: HALCYON BOOKS, LONDON, United KingdomHALCYON BOOKS
Contact seller5-star sellerCondition: Used - Very good
US$ 68.46
US$ 24.17 shippingShips from United Kingdom to U.S.A.Quantity: 1 available
Hardcover. Condition: Very Good. First Edition. First edition. Pages clean, foxing throughout, wear to edges. Undated circa 1940. ALL ITEMS ARE DISPATCHED FROM THE UK WITHIN 48 HOURS ( BOOKS ORDERED OVER THE WEEKEND DISPATCHED ON MONDAY) ALL OVERSEAS ORDERS SENT BY TRACKABLE AIR MAIL. IF YOU ARE LOCATED OUTSIDE THE UK PLEASE ASK… US FOR A POSTAGE QUOTE FOR MULTI VOLUME SETS BEFORE ORDERING.

- Softcover
- Print on Demand
Seller: PBShop.store US, Wood Dale, IL, U.S.A.PBShop.store US
Contact seller5-star sellerCondition: New
US$ 35.66
Free ShippingShips within U.S.A.Quantity: Over 20 available
PAP. Condition: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

- Softcover
- Print on Demand
Seller: PBShop.store UK, Fairford, GLOS, United KingdomPBShop.store UK
Contact seller5-star sellerCondition: New
US$ 32.54
US$ 6.74 shippingShips from United Kingdom to U.S.A.Quantity: Over 20 available
PAP. Condition: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

- Hardcover
- Print on Demand
Seller: PBShop.store US, Wood Dale, IL, U.S.A.PBShop.store US
Contact seller5-star sellerCondition: New
US$ 48.17
Free ShippingShips within U.S.A.Quantity: Over 20 available
HRD. Condition: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

- Hardcover
- Print on Demand
Seller: PBShop.store UK, Fairford, GLOS, United KingdomPBShop.store UK
Contact seller5-star sellerCondition: New
US$ 43.91
US$ 7.88 shippingShips from United Kingdom to U.S.A.Quantity: Over 20 available
HRD. Condition: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

Published by Creative Media Partners, LLC Feb 2026 2026
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
Contact seller5-star sellerCondition: New
US$ 65.10
US$ 74.29 shippingShips from Germany to U.S.A.Quantity: 2 available
Buch. Condition: Neu. Neuware - 'The Unknown Quantity' is a captivating novel of romance and emotional intrigue by Ethel M. Dell, a leading voice in early twentieth-century fiction. The story centers on Jeannette Wyckoff, a young woman whose life is transformed by the arrival of an 'unknown quantity'-an unpredictable force of lo…ve and destiny that challenges her conventional world. Set in a period of shifting social values, the narrative explores the delicate balance between personal longing and the rigid expectations of society.

Published by G. P. Putnam's Sons, New York 1924
- First Edition
Seller: Babylon Revisited Rare Books, Northampton, MA, U.S.A.Babylon Revisited Rare Books
Contact seller4-star sellerFirst Edition. D. C. Hutchison dustjacket art. Contemporary romance novel of an heiress searching for happiness beyond the luxury of money and suitors. She is given a mysterious ancient Egyptian gem which seemingly guides her quest. Near Fine, bit of foxing at endpapers, couple mid pages with some shadowing from a little gift ca…rd laid in, in Very Good dustjacket, quarter sized chip at lower spine end.

- Hardcover
- Print on Demand
Seller: True World of Books, Delhi, , IndiaTrue World of Books
Contact seller5-star sellerLeatherBound. Condition: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from 1924 edition. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt band…s. A perfect gift for your loved ones. Pages: 456 NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 456 Dell, Ethel M.

- Softcover
- Print on Demand
Seller: CitiRetail, Stevenage, United KingdomCitiRetail
Contact seller5-star sellerCondition: New
US$ 37.32
US$ 49.67 shippingShips from United Kingdom to U.S.A.Quantity: 1 available
Paperback. Condition: new. Paperback. "The Unknown Quantity" is a captivating novel of romance and emotional intrigue by Ethel M. Dell, a leading voice in early twentieth-century fiction. The story centers on Jeannette Wyckoff, a young woman whose life is transformed by the arrival of an "unknown quantity"-an unpredictable force… of love and destiny that challenges her conventional world. Set in a period of shifting social values, the narrative explores the delicate balance between personal longing and the rigid expectations of society.As Jeannette navigates a path filled with passion, misunderstanding, and sacrifice, she must learn to trust her intuition in a world that often favors duty over desire. Dell's writing is marked by its dramatic intensity and its focus on the moral resilience of its characters. In "The Unknown Quantity", she masterfully weaves a tale that is both a heartfelt character study and a reflection of the romantic ideals of its time.This work stands as a testament to Dell's ability to create tension-filled plots and memorable, high-spirited heroines. It remains an evocative piece of literary history, offering modern readers a window into the popular sentiments and social dynamics of the post-Great War era.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you may see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.

- Hardcover
- Print on Demand
Seller: CitiRetail, Stevenage, United KingdomCitiRetail
Contact seller5-star sellerCondition: New
US$ 49.07
US$ 49.67 shippingShips from United Kingdom to U.S.A.Quantity: 1 available
Hardcover. Condition: new. Hardcover. "The Unknown Quantity" is a captivating novel of romance and emotional intrigue by Ethel M. Dell, a leading voice in early twentieth-century fiction. The story centers on Jeannette Wyckoff, a young woman whose life is transformed by the arrival of an "unknown quantity"-an unpredictable force… of love and destiny that challenges her conventional world. Set in a period of shifting social values, the narrative explores the delicate balance between personal longing and the rigid expectations of society.As Jeannette navigates a path filled with passion, misunderstanding, and sacrifice, she must learn to trust her intuition in a world that often favors duty over desire. Dell's writing is marked by its dramatic intensity and its focus on the moral resilience of its characters. In "The Unknown Quantity", she masterfully weaves a tale that is both a heartfelt character study and a reflection of the romantic ideals of its time.This work stands as a testament to Dell's ability to create tension-filled plots and memorable, high-spirited heroines. It remains an evocative piece of literary history, offering modern readers a window into the popular sentiments and social dynamics of the post-Great War era.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you may see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.