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

"From the #1 bestselling author of The Historian comes an engrossing novel that spans the past and the present--and unearths the dark secrets of Bulgaria, a beautiful and haunted country. A young American woman, Alexandra Boyd, has traveled to Sofia, Bulgaria, hoping that life abroad will salve the wounds left by the loss of her beloved brother. Soon after arriving in this elegant East European city, however, she helps an elderly couple into a taxi--and...

"In this playful nonfiction picture book, dwarf planet Pluto takes the stage to properly reintroduce itself and tell its out-of-this world, one-of-a-kind story"--

Edward Bear acquires a new name and with it a new life of many good times and adventures.

Waking up in the arms of Prince Emory, Ama has no memory of him rescuing her from a dragon's lair, but she soon discovers there is more to the legend of dragons and damsels than anyone knows and she is still in great danger.

The magic tree house is back with a message from Morgan le Fay telling Jack and Annie to seek out "The Gray Ghost" and listen to her story, and immediately they are whisked away to Nepal where they meet Tenzin, a climber who has recently lost his family, and who takes them up the mountain to meet a snow leopard and renew himself.

Eleven-year-old Tabitha Crum, whose parents were just about to abandon her, is invited to the country estate of a wealthy countess along with five other children and told that one of them will become her heir.

What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world, in the form of 39 clues? What if you were given a choice - take a million dollars and walk away ... or get the first clue? If you're Amy and Dan Cahill, you take the clue - and begin a very dangerous race.

In this retelling of the Korean legend The tale of Shim Cheong, sixteen-year-old Mina is swept away to the Spirit Realm, where, assisted by a motley crew of demons, gods, and lesser spirits, she sets out to awaken the sleeping Sea God and save her homeland and family from deadly storms.