Mystery of the Old Shack continues the adventures of the Choctaw Creek Kids who were introduced in Mystery of the Old Skull, the first in the R.E.A.L Book (Read.Enjoy.And.Learn) series. Twins Jenny and Mac Joulian and their cousin Louie Morales find themselves in serious danger when they decide to explore the old abandoned shack where Louie was imprisoned in Mystery of the Old Skull. This time it is Mac who pays the price for the teen's curiosity. Who left the box of drugs in the old shack? Is the owner dead or alive? Is Louie's math teacher somehow involved? Will Mac's injury prevent him from playing football? Who can they trust to help them? Along the way, an oncoming freight train threatens the life of a classmate, Jenny finds love from two unexpected directions and a young woman with a troubled past finds family and starts a new life. Dr. Jordan's Science Notes explain the real medical and scientific facts behind the teens' ill-considered adventures. Words in bold type within the story lead to this important information.The R.E.A.L. Book (Read.Enjoy.And.Learn) series is a new concept in Young Adult fiction that pairs the exciting adventures of modern-day teens with how-to instruction and information to deal with real-life emergencies. A R.E.A.L. book promises to keep readers entertained while learning important life lessons at the same time.