The Mystery in Washington, D.C. (The Boxcar Children Special series Book 2)

The Aldens are going on a trip to Washington, D.C. They visit lots of interesting places, like the Capitol Building, the Washington Monument, and the Air and Space Museum. But when things start disappearing from their hotel, they realize they are being followed, the children know there’s a mystery in the capital … and it’s up to them to solve it!