Genius Files
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.
Coke McDonald and his twin sister, Pepsi, think their family's cross-country RV vacation is nothing to get excited about...until they're chased off a cliff, locked in a burning school, and receive mysterious messages
...The most exciting road trip in history continues! In this third book in the thrilling, New York Times bestselling adventure series, twelve-year-old twins Coke and Pepsi McDonald dodge nefarious villains all the way to Graceland.
The genius twins Coke and Pepsi have narrowly escaped a vat of a Spam, a pit of boiling fry oil, and a score of crazed adults all bent on killing them. But just when they thought they were safe, their
...The most exciting road trip in history continues! In this fourth book in the thrilling, New York Times bestselling adventure series, twelve-year-old twins Coke and Pepsi McDonald discover that everything really is bigger in Texas—including the danger!
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
...The most exciting road trip in history has reached its final destination! In this fifth book in the thrilling, New York Times bestselling adventure series, Coke and Pepsi McDonald make it back home to the West Coast—but they're far from home free!
When we last left our heroes, Coke and Pepsi McDonald were in Roswell, New Mexico, and they had just seen a strange beam of light. Now their cross-country road trip is about
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