The magic treehouse whisks Jack and Annie back to the days of deserted islands, secret maps, hidden gold, and nasty pirates.

Jack and Annie visit the Paris World's Fair of 1889 in an effort to protect four scientific pioneers from an evil sorcerer.

Eight-year-old Jack and his younger sister Annie use the magic treehouse to travel back to the Middle Ages, where they explore a castle and are helped by a mysterious knight.

Annie and Jack find themselves transported back in time to ancient Egypt, where they encounter a dead queen and her thousand-year-old mummy.

"The last thing Jacob Portman saw before the world went dark was a terrible, familiar face. Suddenly, he and Noor are back in the place where everything began--his grandfather's house. Jacob doesn't know how they escaped from V's loop to find themselves in Florida. But he does know one thing for certain: Caul has returned. Risen from the Library of Souls and more powerful than ever, Caul and his apocalyptic agenda seem unstoppable. Only one hope remains--deliver...

While on a mission to prove to Merlin that they can use magic wisely, Jack and Annie travel to seventeenth-century Venice, Italy, to save the city from disaster. Merlin has asked Jack and Annie to help on another Merlin Mission. This time they head back into history to Venice, Italy, in the 1700s. With the help of some new friends, a research book, and a mysterious rhyme from Merlin, the heroes will save the beautiful city from a flood! Yet another...

Ranger, a golden retriever, could have been a great search-and-rescue-dog except for the squirrels--but one day he unearths a mysterious box and finds himself transported back to the year 1850 where his faithful service is really needed by a family traveling west along the Oregon Trail.