The Sword Thief
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 enough to make an alliance?

Smiler's Bones
In 1897, famed explorer Robert Peary took six Eskimos from their homes in Greenland to be "presented" to the American Museum of Natural History. Among the six were a father and his son, a boy named Minik. This is his story.

Spy X: The Code
It's been months since Evie and Andrew's mother mysteriously disappeared, leaving only a cryptic note. Then one day they received a mysterious package. Could it be from their mother? What should they do? And what does their unusual neighbor know?

Spy X: Hide and Seek
Evie and Andrew have always wondered what happened to their mother after she disappeared on their birthday. Now they are starting to find out . . . and the results are very surprising.

Spy X: Proof Positive
It's been almost a full year since Andrew and Evie's mom disappeared, and the twins are determined to find her. They've been following her trail, decoding the clues she's left them. And that trail is drawing them closer to their mother than ever before.

Spy X: Tunnel Vision
Andrew and Evie have found Mom at last. But she had to come out of hiding to get to the twins, and now the Company is on to her aliases. There's only one solution: Mom has to go underground again, and this time, she's bringing Andrew and Evie with her.

Watchers: Last Stop
When David's father vanishes, mysterious things start happening. With help from his friends, David searches for clues that could lead him to his father. First in the series.

Watchers: Rewind
Adam has been blamed for the mysterious death of his best friend. He has very little knowledge of his friend's death until he finds a videocamera that shows him the past. Adam discovers that the truth is as frightening as the mystery. #2 in the series.

Watchers: I.D.
The watchers see things that others can't see. In this installment, a young girl discovers she is a clone, and has only days to live unless she finds the secrets of her creators.

Watchers: War
Fourteen-year-old Jake Branford loves war. He loves reading and writing about war, and wishes he could be in a war. After stumbling upon the set of a war movie, Jake must fight for his life and discover what war is really like. #4 in the series.

Watchers: Island
Thirteen-year-old Rachel's life is pretty ordinary, but Colin appears one day out of the blue. He asks Rachel to follow him to an island. Will Rachel ever be able to leave the island? #5 in the series.

Watchers: Lab 6
Thirteen-year-old Sam Hughes finds Jamie Richter's ideas about governmental conspiracies and mutant creations ridiculous: his parents can't be involved with any of that because they're only artificial intelligence scientists.