Schaaf Fred (294 results)

Paperback. Condition: Good. Discover the fascination of astronomy with 100 easy, inexpensive projects that promise loads of fun for sky watchers of all ages. Geared toward beginning astronomers from junior high school level and up, this entertaining guide was written in direct, nontechnical terms by an experienced astronomer and well-known author. Daylight and nighttime activities include sightings of comets, meteors, stars, and planets as well as phases of the Moon, halos, twilights, and many other intriguing phenomena.These interesting, instructive activities and projects require just the naked eye and ordinary household materials. In addition to a wealth of activities for families to enjoy together, Seeing the Sky also offers a fine resource for classrooms, astronomy clubs, nature societies, and other groups. This updated edition features a new Preface, two new tables, and a revised Sources of Information list that includes current websites. Myers, Doug (illustrator).…

Paperback. Condition: Good.

Paperback. Condition: Fair.

Paperback. Condition: Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

hardcover. Condition: Fair.

Hardback. Condition: Good. An astronomy guidebook containing activities and projects for daylight and night-time skies, including ones related to the sun's corona, rainbows and atmospheric optics. It is written both for the use of teenagers and adults.

Hardback. Condition: Very Good. The ideal book for amateur astronomers, this title takes readers on a journey of discovery through the seasons of the starry night sky. Illustrations.

paperback. Condition: As New.

Paperback. Condition: Fair.

Paperback. Condition: Very Good.

Condition: good. Fast & Free Shipping â" Good condition. It may show normal signs of use, such as light writing, highlighting, or library markings, but all pages are intact and the book is fully readable. A solid, complete copy that's ready to enjoy.

Condition: very_good. Fast Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy.

Paperback. Condition: Good. Discover the fascination of astronomy with 100 easy, inexpensive projects that promise loads of fun for sky watchers of all ages. Geared toward beginning astronomers from junior high school level and up, this entertaining guide was written in direct, nontechnical terms by an experienced astronomer and well-known author. Daylight and nighttime activities include sightings of comets, meteors, stars, and planets as well as phases of the Moon, halos, twilights, and many other intriguing phenomena.These interesting, instructive activities and projects require just the naked eye and ordinary household materials. In addition to a wealth of activities for families to enjoy together, Seeing the Sky also offers a fine resource for classrooms, astronomy clubs, nature societies, and other groups. This updated edition features a new Preface, two new tables, and a revised Sources of Information list that includes current websites. Myers, Doug (illustrator).…

Paperback. Condition: Very Good. First Edition. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Paperback. Condition: Fair. First Edition. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

paperback. Condition: Acceptable. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket.…

Hardcover. Condition: Acceptable. Dust Jacket Condition: Includes dust jacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. Ottewell, G. (illustrator).…

paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority.

paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority.

paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority.

Paperback. Condition: Fair. 1. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

Paperback. Condition: Fair. 1. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

Paperback. Condition: Very Good. Packed with a vast array of telescopic projects involving different kind of stars, star clusters, nebulae and galaxies which lie beyond our solar system. Takes a look at stars of diverse chemical or atomic brew, old and new, tiny or vast, dense or tenuous; the ways in which they behave and much more.…

Paperback. Condition: Fair. Packed with a vast array of telescopic projects involving different kind of stars, star clusters, nebulae and galaxies which lie beyond our solar system. Takes a look at stars of diverse chemical or atomic brew, old and new, tiny or vast, dense or tenuous; the ways in which they behave and much more.…

Paperback. Condition: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Myers, Doug (illustrator).

paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority.

paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority. Myers, Doug (illustrator).

Paperback. Condition: Good.

Paperback. Condition: Fair.

Paperback. Condition: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.