The magic tree house takes Jack and Annie back in time to feudal Japan where the siblings learn about the ways of the Ninja.

The magic tree house takes Jack and Annie to an African rainforest, where the siblings encounter gorillas and learn to communicate with them.

An intrepid adventurer, known simply as the Time Traveller, meets his friends for dinner one night. During the conversation, he baffles them with his wild ideas about moving forwards or backwards in time. His claims are met with disbelief. Even when he proves his theory with a real-life experiment, his associates simply claim that he is a trickster - a magician. Yet, a week later, he enthralls his acquaintances yet again. He tells a story so unbelievable...

"In 1995, Alex Dean has a perfect life ahead of him, but he ends up bruised, bloody, and almost drowned in a river. He awakes to find it is now 2010 or 2015 or 1999, and he must piece his life back together"-- Provided by publisher.

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.

Greedy Llama travels back in time to eat his marvelous birthday donut a second time, but a Baby Llama follows him to the present, and soon his house is a chaos of cave llamas, barbarian bunnies, and Viking pigs.

Jack and his younger sister take a trip in their tree house back to ancient Egypt, where they help a queen's mummy continue her voyage to the Next Life.

Jack and Annie travel to Vienna, Austria, in 1762 where they meet the young Wolfgang Amadeus Mozart and his sister and help save the budding genius' life.

Their magic tree house takes Jack and Annie to the Arctic, where a polar bear leads them onto very thin ice.

"In the near future, a civil servant is offered the salary of her dreams and is, shortly afterward, told what project she'll be working on. A recently established government ministry is gathering "expats" from across history to establish whether time travel is feasible--for the body, but also for the fabric of space-time. She is tasked with working as a "bridge": living with, assisting, and monitoring the expat known as "1847" or Commander Graham...