Description Dead drops, cyphers, and invisible ink are all part of a mystery that even spymaster George Washington would love.
To keep government secrets from falling into the wrong hands, the kid.
What starts out as a fun game of pretend on the National Mall turns all too real when they follow a mysterious man to a meeting deep within the Capitol.
Sam, Derek, and Caitlin love solving mysteries, and when they visit Washington, DC, Spies are lurking.
Description Dead drops, cyphers, and invisible ink are all part of a mystery that even spymaster George Washington would love