When the children learn that an old library is to be torn down, they start cleaning it up, hoping that it will qualify for landmark status. But something strange is going on--they hear noises, and their lunch is stolen, and one day they arrive at the library to find the place has been ransacked. Who is trying to destroy their good work?
The Boxcar children are helping to save an old library that's about to be torn down. They find several mysteries at the library...someone is trying to destroy the library! But who?