Skylar Robbins: The Mystery of the Hidden Jewels

A deserted mansion perches on a steep hillside, overlooking a rocky canyon. Tattered curtains hang behind broken windows, and a turret stretches toward the sky. Three years ago the wealthy owner disappeared suddenly, leaving behind a house full of secrets: A mysterious note, tantalizing clues, a hidden floor, one piece of a treasure map, and a missing fortune in diamonds.

Thirteen-year-old sleuth Skylar Robbins moves into the mansion with her parents and embarks on a new and dangerous missi...