Why?: Answers to everyday scientific questions

By Joel Levy

Book Overview

The simplest questions are sometimes the hardest to answer. 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... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 1843179512
• ISBN13: 9781843179511
• Release Date: January 2012
• Publisher: Michael O'Mara (11 Oct. 2012)
• Weight: 0.70 lbs.
• Dimensions: 7.8" x 0.8" x 5.4"