On a cross-country vacation with their parents, twins Coke and Pepsi, soon to be thirteen, fend off strange assassins as they try to come to terms with their being part of a top-secret government organization known as The Genius Files.

In Fayette, South Carolina, the highlight of Popeye's summer is learning vocabulary words with his grandmother until a motor home gets stuck nearby and Elvis, the oldest boy living inside, joins Popeye in finding the source of strange boats floating down the creek.

"For the life of him, William "Scoob" Lamar can't seem to stay out of trouble--and now the run-ins at school have led to lockdown at home. So when G'ma, Scoob's favorite person on Earth, asks him to go on an impromptu road trip, he's in the RV faster than he can say FREEDOM. With G'ma's old maps and a strange pamphlet called the 'Travelers' Green Book' at their side, the pair takes off on a journey down G'ma's memory lane. But adventure quickly turns...

The wackiest road trip in history continues, dodging villains from Texas all the way to Roswell, New Mexico! After their explosive escape at Graceland, Coke and Pepsi are ready to resume their trip across America -- only now in a convertible instead of the RV. They travel through Arkansas and Oklahoma, visiting weird-but-true tourist stops along the way. They're also shoved into a spinning clothes dryer, locked in a vapor cabinet, almost flattened...