The Guinness Book of Why?

by Guinness World Records and Ian Bishop

Why does a hot-air balloon rise? Why do the wheels of stage-coaches go backwards in films? Why is the sky blue? Why do icebergs float in water when they are made of it? This book reveals the answers... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0851125743
• ISBN13: 9780851125749
• Release Date: July 1994
• Publisher: Guinness World Records Ltd
• Weight: 0.45 lbs.