This companion to "Twister on Tuesday" explains in simple terms what causes severe weather that leads to the formation of tornados. Includes photos, definitions, an index, and information forecasting the weather.

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! When Jack and Annie got back from their adventure in Magic Tree House #23: Twister on Tuesday, they had lots of questions. How do tornadoes form? What kinds of tools can help predict bad storms? Where did the biggest snowfall on record happen? How fast are hurricane winds? Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures Have more fun with Jack and Annie at MagicTreeHouse.com!

What causes the earth's weather? How do twisters form? What are the deadliest storms on earth? Jack and Annie's guide to nature's wildest weather includes photographs, definitions, an index, etc.

Describes the changing nature of weather and how meteorologists predict and study such storms as tornadoes, hurricanes, and blizzards.

For use in schools and libraries only. In this vividly written story, Natt and Lucile learn that life can change with terrifying rapidity when, on a lovely summer day as they are playing outdoors, an onrushing tornado drives them into the storm cellar.

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! An adventure to blow you away! That's what Jack and Annie get when the Magic Tree House whisks them back to the 1870s. They land on the prairie near a one-room schoolhouse, where they meet a teenage schoolteacher, some cool kids, and one big, scary bully. But the biggest and scariest thing is yet to come! Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

Reading on your own One moment, it is sunny and calm. The next moment, a whirling black funnel cloud touches down. Take cover! It’s a twister! This classic Step into Reading science title is brimming with facts about tornadoes and hurricanes. Whether kids are interested in the science of how they form, the history of famous storms, or offbeat stories like the tornado that picked up hundreds of fish and dropped them on a town, they’ll find it in Twisters!, now with all-new illustrations and photographs throughout.