When Jack and Annie got back from their adventure in Magic Tree House #13: Vacation Under the Volcano, they had lots of questions. How did ancient Rome become an emipre? Where did ancient Romans go for fun? What happened to the Roman town of Pompeii? What have we learned from it?

When Jack and Annie got back from their adventure in Magic Tree House Merlin Mission #21: Stallion at Starlight, they had lots of questions. Why did people tame horses? What jobs do horses have today? Why was Alexander the Great's horse so famous? What are some other famous horses in

When Jack and Annie got back from their adventure in Magic Tree House Merlin Mission #17: A Crazy Day with Cobras, they had lots of questions. Can snakes really be charmed? What reptile has the

When Jack and Annie got back from their adventure in Magic Tree House Merlin Mission #15: Leprechaun in Late Winter, they had lots of questions. What are leprechauns? How do we know man

When Jack and Annie came back from their adventure in Magic Tree House #14: Day of the Dragon King, they had lots of questions. Who was the Dragon King? How did he build the Great Wall? What is Chinese New Year? What are some other Chinese traditions? Find out the answers to these questions and more as Jack and Annie track the facts about Chinese history and culture.

When Jack and Annie got back from their adventure in Magic Tree House #5: Afternoon on the Amazon, they had lots of questions. How much rain falls in a rain forest? What is the world's heaviest insect? What the heck is a sausage tree? Why is it important to preserve the world's rain forests? Find

When Jack and Annie got back from their adventure in Magic Tree House Merlin Mission #12: Eve of the Emperor Penguin, they had lots of questions. What do penguins eat? Why do they huddle

When Jack and Annie got back from their adventure in Magic Tree House Merlin Mission #18: Dogs in the Dead of Night, they had lots of questions. How do St. Bernards help find avalanche survivors? Who are some of the most famous war dog heroes? What breeds make good service dogs? Find out

When Jack and Annie came back from their adventure in Magic Tree House #15: Viking Ships at Sunrise, they had lots of questions. Why did Vikings go on raids? Did they really wear horned

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?

When Jack and Annie got back from their adventure in Magic Tree House Merlin Mission #10: Monday with a Mad Genius, they had lots of questions. Why was Leonardo da Vinci interested in

When Jack and Annie got back from their adventure in Magic Tree House Merlin Mission #24: Soccer on Sunday, they had lots of questions. How did soccer get started? Who are some of its greatest

When Jack and Annie got back from their adventure in Magic Tree House #9: Dolphins at Daybreak, they had lots of questions. Did dolphins ever live on land? How do dolphins communicate?

When Jack and Annie got back from their adventure in Magic Tree House Merlin Mission #19: Abe Lincoln at Last!, they had lots of questions. What was it like to grow up in a log cabin? How did Lincoln become president? What was his family like? Why did the US fight the Civil War? Find out the answers to these questions and more as Jack and Annie track the facts. Filled with up-to-date information,

When Jack and Annie got back from their adventure in Magic Tree House #16: Polar Bears Past Bedtime, they had lots of questions. Why is the Arctic so cold? What did the first people of the Artic eat? How do polar bears cross thin ice? What other animals live in the Arctic? Find out the answers to

When Jack and Annie got back from their adventure in Magic Tree House #27: Thanksgiving on Thursday, they had lots of questions. What was it like to sail on the Mayflower? Why did the Pilgrims

When Jack and Annie got back from their adventure in Magic Tree House #22: Revolutionary War on Wednesday, they had lots of questions. What was it like to live in colonial times? Why did the stamp Act make the colonists so angry? Who were the Minutemen? What happened at the Boston Tea Party? Find out the answers to these questions and more as Jack and Annie track the fact

When Jack and Annie got back from their adventure in Magic Tree House #7: Sunset of the Sabertooth, they had lots of questions. What was it like to live in the Ice Age? How did early humans stay warm enough to survive? Who made the first cave paintings? What happened to saber-toothed cats and woolly mammoths? Find out the answers to these questions and more as Jack and Annie track the facts.

When Jack and Annie got back from their adventure in Magic Tree House #17: Tonight on the Titanic, they had lots of questions. How many people were aboard the Titanic? Why weren’t there enough lifeboats for all the passengers? How did this “unsinkable” ship sink? What lessons can we learn from the tragedy? Find out the answers to these questions and more as Jack and Annie track the facts.

When Jack and Annie got back from their adventure in Magic Tree House #8: Midnight on the Moon, they had lots of questions. How did the universe begin? How long does it take to get to the moon? How hot is the sun? What does it feel like to be in space? Find out the answers to these questions and more as Jack and Annie track the facts.

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