Books in the Spencer Christians World of Wonders series

What makes a twister twist? Where does acid rain come from? Is it true that snow is sometimes green? Or even red? Can it really rain cats and dogs... and frogs? Join popular ABC-TV weather forecaster Spencer Christian as he explores the amazing--and sometimes unpredictable--world of weather. Look inside a flash of lightning.

From volcanoes sprouting mountains out of nowhere to earthquakes that rock the planet each and every day, remarkable forces are at work constantly reshaping the planet.