A Leaf in Time

By David Walker and David Walker

Covering energy, plants and people, this book explains how almost all of our energy comes from the sun. It describes the process by which humans turn fuels and food into carbon dioxide to release... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 1855780976
• ISBN13: 9781855780972
• Release Date: October 1999
• Publisher: Portland Pr
• Length: 32 Pages
• Weight: 0.30 lbs.
• Dimensions: 8.3" x 0.3" x 8.3"
• Age Range: 9 to 12 years
• Grade Range: Grades 4 to 7