0394549082 SHOW MOOCHABLE + ? RELATED SEARCHES > ADVANCED SEARCH > HIDE COVERS - ASIN Title: Comet Author: Carl Sagan Description: Product Description This book is an exploration of these strange visitors to our skies. ... (more) Available: No copies available WISHLIST ADD + SAVE FOR LATER + AMAZON > RECOMMEND > DETAIL > Search BookMooch for a book: SEARCH BOOKMOOCH > Search Amazon for a book: amazon.co.uk amazon.de amazon.es amazon.fr amazon.it amazon.cn SEARCH AMAZON >