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?

"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" --Title verso page.

Two very hungry dinosaurs discover a time machine and are instantly transported to America in 2018, where they are delighted to find themselves surrounded by food (including pizza and doughnuts), but soon less excited to find themselves surrounded by policemen with guns--so they escape to the time machine, not knowing where it will take them next.

In their magic tree house, Jack and Annie are again transported to King Arthur's realm, where invisible beings, giant ravens, and mistaken magic spells have a duke's castle in an uproar on Halloween night.

"In New York Times bestselling author Dan Gutman's all-new series, which blends fascinating real history with an action-packed adventure, four very different kids are picked by a mysterious billionaire to travel through time and photograph some of history's most important events. This time, Luke, Julia, David, and Isabel are headed to the deck of the doomed Titanic. Their mission? Capture a shot of the sinking ship, then come right back. The only...

"Life used to be great for Rose: full of friends, a loving mom, and a growing fashion blog. But when her mother dies in a car crash, Rose is sent away to live with a strange grandmother she hardly knows and forced to attend a new school where mean girls ridicule her at every turn. The one place Rose finds refuge is in her grandmother's Tudor-style greenhouse. But one night, she sees a strange light glowing from within it. She climbs a ladder to investigate......

"Using their magic tree house, Jack and Annie travel back to the time of the American Revolution and help General George Washington during his famous crossing of the Delaware River."--

"Their magic tree house takes Annie and Jack to Pompeii just as Vesuvius is about to erupt, and they must find a Roman scroll before everything is covered with burning ash" --Title verso page.

"Sent back in time to 79 AD, on a mission to photograph the eruption of Mount Vesuvius, the Flashback Four race to get their picture"--WorldCat.

"Jack and Annie travel in their magic tree house to Elizabethan London, where they become actors in a production of A Midsummer Night's Dream and try to rescue a tame bear."--