When Jack and Annie came back from their adventure in Magic Tree House: High Time for Heroes, they had lots of questions. How did Florence Nightingale change nursing? Why is Harriet Tubman so famous? How did Gandhi work for fairness? What did Martin Luther King Jr. learn from him? It's time to be a fact tracker with Jack and Annie!
Jack and Annie find out when the Magic Tree House whisks them to ancient China. There, a powerful emperor called the Dragon King has ordered that all books be burned. Will Jack and Annie be able to save at least one book? Or will they be captured by the emperor's soldiers?
A castle with a secret passage! That's what Jack and Annie find when the Magic Tree House whisks them back to the Middle Ages for another wild adventure. In the Great Hall of the castle, a feast is under way. But Jack and Annie aren't exactly welcome guests!
It's sink or swim for Jack and Annie when the Magic Tree House whisks them off to the middle of the ocean. Luckily, they find a mini-submarine on a coral reef. Unluckily, they are about to meet a giant octopus and one very hungry shark. Will the dolphins save the day? Or Jack and Annie doomed to be dinner?
No girls allowed at the Olympic Games! That's the rule when the Magic Tree House whisks Jack and Annie back to ancient Greece. But when Annie tells Jack to go to the games without her, he knows she's up to something. Will Annie find a way to see the games? Or will she get herself -and Jack - into Olympic-size trouble?