After crossing five continents and solving some of history's most perplexing mysteries, Amy and Dan Cahill are nearing the end of their adventure

Amy and Dan Cahill thought they knew everything about their family's history and the only ones who knew about the 39 Clues. However, the Vespers

Fix the past. Save the future. Dak, Sera, and Riq involve themselves in one of the most bizarre spy missions in history, and the outcome of World

The end of history. Sera has a secret. She's seen the future, and it is terrifying. Unfortunately, she can't do anything to prevent the Cataclysm

It's bad enough Ian Barker has to spend his twelfth birthday with his sister and their two annoying cousins. The four of them can't ever hang out

In a future North America, where the rulers of Panem maintain control through an annual televised survival competition pitting young people from

When best friends Dak and Sera tumble upon the key to time travel, a hand-held device known as the Infinity Ring; they're swept up in a centuries

After barely surviving a terrifying hurricane, Chase and his friends Nicole and Rashawn have made it to the safety of Nicole's family farm, which

Having survived the Hunger Games twice before, Katniss Everdeen is lucky to be alive. However, she is far from safe. With the Capitol and Preside

Dak, Sera, and Riq return to the United States and walk right into a deadly trap. The year is 1850 and the nation is divided over the issue of sl

"A stranger arrives in a small English town, wreathed in a hat, coat, goggles and bandages. It's not just his identity he's hiding, though; he ha