In this final installation of the GP series many of the mysteries and stories will come to a satisfying conclusion. Gabe and his gang are up to the usual bartering, building, fishing, biking, spying, daring, adventuring, camping, treasure hunting, Bait-Shop-hanging-outing, and creating the most epic Grosserie-Dare-Off in the history of their friendships. Only this time they have figured out a way to trap the Goons into playing. You would have thought after getting double-crossed and tricked so many times that the Goons would have learned their lessons. But alas another big plan is set to once and for all beat the Goons at a Total-Dare-Off. Everyone's favorite Uncle Bernie from down south has a big surprise for the gang and Gabe will spend part of the summer as the Head Counselor at camp. Gabe and his pen pal John have started a correspondence comic book about Glenn the Sea Monkey and Murph and Butch are about to become famous for their custom skateboards. A bonus book is included that Gabe wrote called Meeting Grizelda. Come join the gang for one last time! WE TRIPLE-DOG DARE YOU!