The most exciting road trip in history begins! In this action-packed, New York Times bestselling adventure, twelve-year-old twins Coke and Pepsi McDonald embark on a family vacation you'll have to read to believe. With the real-kid humor that has earned Dan Gutman millions of fans around the world, and featuring weird-but-true American tourist destinations, The Genius Files is a one-of-a-kind mix of geography and fun. As Coke and Pepsi dodge nefarious villains from the Pez museum in California all the way to the Infinity Room in Wisconsin, black-and-white photographs and maps put young readers right into the action. And don't miss the next leg of the journey in The Genius Files: Never Say Genius! Supports the Common Core State Standards

Today is Coke and Pepsi McDonald's thirteenth birthday. Someone's out to make sure they never make it to thirteen and a half. Racing across America, the twins will nearly be BOILED ALIVE in a huge basket of french fries, FROZEN TO DEATH by soft-serve ice cream, STAMPEDED in a wild stadium riot, KIDNAPPED from a high-speed roller coaster, and WORST OF ALL their parents think they're totally joking! Will they survive? Will they defeat Archie Clone? Will they be dropped out of a helicopter onto the tip of the Washington Monument? Will they ever say "genius"?

The most dangerous road trip in history continues for thirteen-year-old twins Coke and Pepsi McDonald. Just when they thought they were safe, the twins will be chased by an evil Elvis impersonator, trapped in a pool of flesh-eating soda pop, nearly pulverized in a giant shredder, and crushed in a turbo-charged carnival ride. worst of all, no one believes them! Will they make it out alive? Will they ever find out who’s really after them? All bets are off in this explosive third book in the Genius Files series!

The wackiest road trip in history continues in book four of the New York Times bestselling Genius Files series, following twins Coke and Pepsi as they dodge villains and visit weird-but-true landmarks from Texas all the way to Roswell, New Mexico! With the real-kid humor that has earned him millions of readers around the world, and featuring all new weird-but-true locations around America, this fourth book in the New York Times bestselling Genius Files series is absolutely batty! After their explosive escape at Graceland, twins 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, and finally end up in Texas, home of the Weird Capital of the Country, Austin. The twins' many enemies—the bowler dudes, Mrs. Higgins, and Dr. Warsaw—all swear that they're done chasing Coke and Pepsi for good. But when the twins start receiving more codes and ciphers from a mysterious robotic voice, they know someone 's after them. They just have to figure out who before the mystery villain finds them first.

The wackiest road trip in history has reached its final destination... But Coke and Pepsi McDonald aren't in the clear just yet! Before they reach the finish line, the twins will be abducted by aliens, trapped with a venomous snake, pushed through a deadly turbine, and thrown into a volcano. Craziest of all, their parents might finally believe them! Will the twins make it back home to California in one piece, or will they fall off the top of the Golden Gate Bridge? It's all coming to an end with this fifth book in the Genius Files series. You'll have to read it to believe it!