Synopses & Reviews
What makes the earth quake?
Every day there are more than 1,000 earthquakes on our planet. Most are very small, but each year a few are big enough to knock down buildings. What causes these quakes, and how can you stay safe if one is happening? Read on to find out.
About the Author
Franklyn M. Branley was Astronomer Emeritus and Chairman of the American Museum-Hayden Planetarium. In 1960 he originated the Let's-Read-and-Find-Out Science series, dedicated to explaining science to young children and encouraging them to explore their world. Dr. Branley wrote over 150 science books for children.