The Maze of Bones

The 39 Clues

Content Ratings

No Romance

There is no romantic content; Amy and Dan's relationships are entirely focused on sibling loyalty and competitive rivalries with other Cahill branches.

Mild Themes

The novel involves the murder of a grandmother and the exposure of children to a dangerous global conspiracy; stakes are real but handled with the light touch appropriate to the middle-grade adventure format.

Mild Violence

Amy and Dan are chased and attacked by rival family members; a character is murdered; danger is frequent but handled in an age-appropriate adventure tone.

Synopsis

Siblings Amy and Dan Cahill are thrust into a dangerous global race to collect 39 Clues hidden around the world that, when combined, will reveal the source of the Cahill family's extraordinary powerâ€”a secret that has shaped history. The first book in a fast-paced adventure series blending historical puzzles with thriller action, set in motion when their grandmother is murdered. Accessible, exciting, and designed to spark historical curiosity.