Paris hides secrets... and Grace Whitmore is about to uncover one.

A mysterious gargoyle at Notre Dame conceals colored stones that pulse with centuries of hidden intent.

When shadowy figures and cryptic clues pull Grace into a web of intrigue, she must rely on her wit, courage, and keen observation to solve the mystery before it's too late.

A thrilling historical puzzle, The Notre Dame Gargoyle Clue Was is the latest suspense-filled adventure in the Grace series.