Trinity, Connor, and Caleb are holed up in Texas when Emmy, the baby dragon, is caught on tape and the video goes viral, sending them on the road again, following an old map leading to a man who has come from the future to help.

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.

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

After changing the course of history when he stole Cora McLeod from her destined soulmate, Finley Walsh, in 1844, Liam O’Conner, desperately trying to make amends, has three months to restore the balance by reuniting Cora and Finn or pay the ultimate price.

"Jack and Annie search for the fourth secret of greatness for Merlin the Magician in Mexico City at the 1970 World Cup Games. They hope to learn something new from soccer player great, Pele"-- Provided by publisher.

Rett and Bryn, both sixteen, wake in a locked facility, unaware of how they got there, whether they can trust each other, and who or what is with them.

Joey, who loves baseball but is not very good at it, finds a valuable 1909 Honus Wagner card and travels back in time to meet Honus.

The reader follows Waldo as he travels through different time periods in history and must try to find him in the illustrations of some of the crowded events in which he participates.

Since learning she is a member of the Circle of Twelve, nothing has gone right for Gwen and she holds suspicions about both Count Saint-German and Gideon, but as she uncovers the Circle's secrets she finally learns her own destiny.