Dujiangyan: How Ancient Engineers Tamed the River (Engineering for Kids)

By Chaodong Li

Problem: 2,000 years ago, a giant river was flooding villages. Solution: Without modern machines or concrete, how did they stop it? Engineering Magic: Discover the genius system of "Fish Mouth" levees and "Bottle Neck" channels that is still working today Perfect for young builders who love Minecraft and Legos.

• Format: Hardcover
• Language: English
• ISBN: 1487811020
• ISBN13: 9781487811020
• Release Date: October 2023
• Publisher: Royal Collins Publishing Company
• Length: 42 Pages
• Weight: 1.11 lbs.
• Dimensions: 0.2" x 10.1" x 10.2"
• Age Range: 5 to 7 years
• Grade Range: Preschool to Grade 2