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The wackiest road trip in history comes to an action-packed conclusion in book five of the New York Times bestselling Genius Files series.

When we last left our heroes, twins 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 to take a detour that's out of this world-literally!<... More

The wackiest road trip in history comes to an action-packed conclusion in book five of the New York Times bestselling Genius Files series.

When we last left our heroes, twins 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 to take a detour that's out of this world-literally!

Once the twins get their feet back on the ground, they embark on the final leg of their trip, which will take them from the Hoover Dam all the way to the Golden Gate Bridge. Chased by nefarious villains, the twins will be trapped with a venomous snake, pushed through a deadly turbine, and thrown into a volcano. And craziest of all, their parents might finally believe them!

With the real-kid humor that has earned him millions of readers around the world and featuring facts and photographs from the weird-but-true locations in the story, this fifth and final book in the Genius Files series is the most thrilling adventure yet.

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