When the Delaney kids find a classmate hiding in their tree house, they have no idea that when they agree to help him clear his dad of theft charges they would all end up chasing diamond smugglers in the middle of the night across miles of the deep and dangerous Mississippi River. Then, when they find they have stepped into an FBI sting operation, they realize just how much trouble they are really in.
Finding themselves hip-deep in another mystery, they must once again rely on their ingenuity and wits.
You will enjoy reading how they help solve the crime and will find yourself reading this story over and over again.
This is the third and final book in the Delaney Family Mystery Series.