The Haunted Mansion: A Deadly Dare. A Haunted House. A Mystery That Refuses to Stay Buried.

A deadly dare leads to their most chilling mystery yet.

When Ava and Carol accept a challenge to explore the legendary Butcher House on Christmas Eve, they expect a thrill—not a terrifying chase by a headless figure lurking in the shadows.

But the haunted mansion is only the beginning.

As ominous warnings appear and a string of baffling robberies grips the neighborhood, the young detectives realize someone is using fear as the perfect cover for a far more dangerous scheme.

With time running out, Ava and Carol must separate fact from fiction, uncover the truth behind the so-called haunting, and stop a ruthless band of thieves before they strike again.

Perfect for fans of Nancy Drew and The Hardy Boys, this fast-paced adventure delivers twists, suspense, and the courage of two friends determined to face what others fear.

Continue the thrilling Ava & Carol Detective Agency series, where every mystery is bigger than the last.