When their beloved Aunt Grace dies, Dan, 11, and Amy, 14—along with other Cahill descendants—are faced with an unusual choice: inherit one million dollars or participate in a perilous treasure hunt. Cahills have determined the course of history for centuries, and this quest's outcome will bring the victors untoward power and affect all of humankind. Against the wishes of nasty Aunt Beatrice, their reluctant guardian since their parents' deaths, Dan and Amy accept the challenge, convincing their college-age au pair to serve as designated adult. Pitted against other Cahill teams, who will stop at nothing to win, the siblings decipher the first of 39 clues and are soon hot on the historical trail of family member Ben Franklin to unearth the next secret.
Aventura / Ficção / Infantil / Infantojuvenil