Mission unstoppable / Dan Gutman.
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.
New York :
|Series:||Gutman, Dan. Genius Files ;
Walker Library - Curriculum Collection - Juvenile - 3rd Floor
Pull and Hold