The most dangerous secret in Amy and Dan's past is unveiled in Book 7 of the #1 New York Times best-selling series. It's no longer a game. The body count is ris

The most dangerous secret in Amy and Dan's past is unveiled in Book 7 of the #1 New York Times bestselling series. The hunt for 39 hidden Clues that lead to an

A "hugely fascinating" (Kirkus), "wonderful" (VOYA) historical novel based on the harrowing true story of Minik, an Eskimo boy seized in the name of exploration

ATTENTION! Amy and Dan Cahill have been located once again, this time in the company of the notoriously unreliable Alistair Oh. Could they have been foolish eno

When Andrew and Evie finally find their mother, they must go underground with her in order for all of them to be safe, but the Company's agents make it more dif