A thick wall or barrier built across a river to control the flow of water. Dams are built of earth and rock, or concrete. The water held in dams can be used as a source of hydroelectric power, irrigation, or drinking water. If a dam bursts, severe flooding can cause…

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Coding 101Monday March 4, 2019

Coding 101

I had a good time rewriting my latest book, HOW TO TALK TO YOUR COMPUTER (now part of HarperCollins’ Let’s Read and Find Out series). I have always been interested in the intersection of kids, education and computers, and I wrote the…

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