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Search Results - Author:"Walz-Chojnacki, Greg"
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Our Planetary System (Isaac Asimov's New Library of the Universe)by Asimov, Isaac & Walz-Chojnacki, Greg |
Reviewed In:School Library Journal |
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Comet!the story behind Halley's cometby Walz-Chojnacki, GregExplains the nature of comets, what is known about Halley's comet, and various countries' plans to study it in 1985 and 1986. Makes suggestions for maximum vie... |
Reviewed In:School Library Journal |