They must unlock the mystery--before time runs out.

Unwrapping a puzzling package and finding a clue launches twelve-year-old cousins Sophie and Jessica into the dangers of The Treasure Key. They're soon racing against time--and bad guys-- to find long-lost treasure. Will they be the first to discover its hiding place?

The Treasure Key is the second book in the Crime-Solving Cousins Mysteries. If you (or the eight- to ten-year-olds in your life) like Nancy Drew, Theodore Boone, or the Hardy Boys, then you'll love Shannon L. Brown's fun,...