Morgan le Fay will make Jack and Annie masters of the tree house if only they can solve four riddles. "Dolphins at Daybreak" begins the third set of four books in the magical series, as Jack and Annie embark upon solving riddle number three in a whole new world under the ocean!
Their magic tree house takes Jack and Annie back to retrieve a lost story in ancient Greece, where they witness the original Olympic games and are surprised to find what girls of the time were not allowed to do.
The Magic Tree House whisks Jack and Annie to the decks of that ill-fated ship, the "Titanic". There they help a toddler find her way to a lifeboat before they, themselves, are in grave danger of becoming two more victims of the tragic event.
Eight-year-old Jack and his seven-year-old sister, Annie, are on the third of their four searches to save a dog, Teddy, from a spell. When they are sent to the jungles of India, will Jack and Annie be able to survive the wild beasts?
Where did the tree house come from? Before Jack and Annie can find out, the mysterious tree house whisks them back to the prehistoric past. Now they have to figure out how to get home. Can they do it before dark, or will they become a dinosaur's dinner?
Wildfire! That's what Jack and Annie are up against when they are whisked away to the land of Australia. And they're not alone! Jack and Annie must help a baby kangaroo and a koala escape from a fire-filled forest. Will they be able to rescue the animals in time?
The Magic Tree House takes Jack and Annie back in time to the American Civil War. They meet Clara Barton, the famous nurse, and help take care of wounded soldiers.
The Magic Tree House whisks Jack and Annie back to Colonial America. They arrive just as General George Washington is planning the crossing of the Delaware. Before they know it, Jack and Annie are in a boat with the Father of Our Country as history is made!
In Twister on Tuesday, Jack and Annie are whisked to a midwestern prairie in the 1870s. They visit a one-room schoolhouse and learn about the hard life of the pioneers. When they return to the magic tree house, Jack and Annie spot a twister on the horizon. Is there time to warn the teacher and the children back at the schoolhouse? Or should Jack and Annie just save themselves?