You Only Die Twice (Genius Files Series #3)

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 arch nemesis Dr. Herman Warsaw reappeared, engaged to their Aunt J...