They start chasing a mystery — then it chases them.Twelve-year-old cousins Sophie and Jessica don't have much in common. Sophie loves hiking and her small town. Jessica would rather be shopping in a city. The only question is whether they'll survive the summer together.Then they find a briefcase in the forest. And suddenly someone is following them.With footsteps behind them and bad guys closing in, the cousins have no choice but to trust each other — and figure out what's inside that briefcase before someone else does.The Feather Chase is Book 1 in the Crime-Solving Cousins Mystery series. All the excitement of a thriller for adults without the scary parts — perfect for readers ages 8-12 who love adventure, friendship, and a mystery they won't want to put down.