Why? : Answers to Everyday Scientific Questions by Joel Levy buy used Used & Rare price $6.88 new from$12.73 shop with confidence SPECIAL SHIPPING CONSIDERATIONS FOR USED & RARE ITEMS. Please see the special considerations for shipping Used & Rare items, including extended delivery times, possible import duties & taxes. Delivered in 3-5 weeks Format: Softcover Publisher: Zest Books Condition: The following ISBNs are associated with this title: ISBN - 10:0982732295 ISBN - 13:9780982732298 Seller Comments: Ex-Library Book-will contain Library Markings. Book has appearance of only minimal use. All pages are undamaged with no significant creases or tears. With pride from Motor City. All books guaranteed. Best Service, Best Prices. From the Publisher Why? Answers to Everyday Scientific Questions gets to grips with concepts that appear simple and straightforward, but which most people, when asked, really can''t explain. Why is the sky blue? Why is water wet? Why do we need sleep? Why are there 24 hours in a day? For each question, author Joel Levy provides a simple, single line answer followed by more in-depth information about the scientific background on these essential topics. The book spans physics, biology, chemistry, geology, geography, meteorology, paleontology and planetary science - allowing readers to wow friends and family alike with pithy answers to the obvious questions they never thought to ask.