machines

How Does My Home Work? by Chris Butterworth

This engaging picture book explains in simple terms the complex system that makes a house “work” How Does My Home Work? by Chris Butterworth, illustrated ...
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The Boy Who Harnessed the Wind by William Kamkwamba

William Kamkwamba's own story of his efforts to bring reliable electrical power to his impoverished African village makes fascinating reading, especially for mechanically-minded middle-graders. The ...
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*Mike Mulligan and His Steam Shovel by Virginia Lee Burton

This book is a "Best of the Best" pick from ourWinter Book Fair. CLICK HERE to see more gift ideas! Mike Mulligan and His Steam Shovel by ...
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*The Year Money Grew on Trees by Aaron Hawkins

The Year Money Grew on Trees by Aaron Hawkins.  HMH, 2010. 301 pages Reading Level: Middle Grades, 10-12 Maturity Level: 4 (age 10-12) and up ...
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