Six years ago Maddie lived in Washington D.C. with her father, a Secret Service agent assigned to the President's family, and her best friend was Logan, the President's son; but after her father was wounded in an attempted kidnapping the two of them moved to a remote cabin in Alaska and Logan never replied to her letters--but now he has suddenly turned up on her doorstep, and, while she has no intention of forgiving him for his silence, she soon realizes...

When twelve-year-old Ash McCarthy wakes up after his father's funeral, he finds that he has been kidnapped to an island off the coast of Costa Rica, caught in the middle of a secret and deadly project named Kronos in which his mother is somehow involved, and he must find a way to save them both--and the only person he is sure he can trust is a Spanish girl his own age named Isabel.

In 1751 in Scotland, cheated out of his inheritance by a greedy uncle who has him kidnapped and put on a ship to the Carolinas, seventeen-year-old David Balfour escapes to the Highlands with the help of the Jacobite Alan Breck Stewart and there encounters further danger and intrigue as he attempts to clear his name and regain his property.