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Challengers Unknown (246 results)
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paperback. Condition: Very Good. Madsen, Michelle (illustrator). 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!
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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!
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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!
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paperback. Condition: Very Good. Madsen, Michelle (illustrator). 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!
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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!
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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!
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Condition: New. New- Great shape. paperback New 2012.
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Condition: Very Good. Great shape! Has a publisher remainder mark. paperback Used - Very Good 2012.
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Paperback. Condition: Very Good. Madsen, Michelle (illustrator). 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!
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Challengers of the Unknown: On The Job with Today's Scientists; Plus Related Projects: A Science World Book
Language: English
Published by Scholastic Book Services, New York NY, 1965
Trade Paperback. Condition: Very Good. tanning.
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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!
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Challengers of the Unknown: Stolen Moments, Borrowed Time
Language: English
Published by DC Comics, New York, NY, U.S.A., 2006
ISBN 10: 1401209416 ISBN 13: 9781401209414
Paperback. Condition: Good. No Jacket. Madsen, Michelle (illustrator). This book has clean text and minimal wear. A very nice graphic novel. Size: 4to - over 9¾" - 12" tall.
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paperback. Condition: Very Good. Connecting readers with great books since 1972! Used textbooks may not include companion materials such as access codes, etc. May have some wear or limited writing/highlighting. We ship orders daily and Customer Service is our top priority!
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Paperback. Condition: Very Good. Madsen, Michelle (illustrator). 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!
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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!
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Condition: Very Good. Great shape! Has a publisher remainder mark. paperback Used - Very Good 2025.
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Condition: Acceptable. Book is readable with major wear, creases, and rips. Has a publisher remainder mark. Ships Within 24 Hours M-F- Satisfaction Guaranteed! Has a publisher overstock mark. This book has visible wear and may have tears, rips, and creases. Book is readable though. VERY HEAVY WEAR TO COVERS, TEARS, CREASES AND DENTED CORNERS. MAY BE MISSING DUST COVER AND MAY HAVE TAPE TO FIX TEARS. THE BOOK HAS VISIBLE WEAR AND SHOULD BE CONSIDER A READER COPY ONLY!!!!!!!!! paperback Used - Acceptable 2025.
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Condition: New. Sale, Tim (illustrator). New- Great shape. hardcover New 2018.
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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!
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Paperback. Condition: Good. Satisfaction 100% guaranteed.
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Condition: Very Good. Sale, Tim (illustrator). Great shape! Has a publisher remainder mark. hardcover Used - Very Good 2018.
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Paperback. Condition: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.
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Paperback. Condition: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.
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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!
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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!
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paperback. Condition: Good. Good book. Wear to cover edges and corners. Like creases on cover. Stamp on first page.
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paperback. Condition: Good. Cover has light wear and corner bumping. Spine uncreased. Text unmarked. Ships Next Business Day.
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Condition: New. Madsen, Michelle (illustrator). New- Great shape. paperback New.
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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!
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Challengers of the Unknown
First Edition
Soft cover. Condition: Good. 1st Edition. Cover creased and rubbed. Book.
