Top Readers : How Does It Work (Top Readers: How Does It Work, Top Readers)

by Denise Ryan, Denise Ryan,  

How does a key unlock a door? And how does a train take us from one station to another? All machines, instruments, and tools have a specials way of working. Read more about the inside. This description may be from another edition of this product.

• Format: Paperback
• ISBN: 1435106822
• ISBN13: 9781435106826
• Release Date: January 2008
• Publisher: Weldon Owen Publishing
• Weight: 0.25 lbs.