The empty sleeve / Leon Garfield.
Though he dreams of going to sea, fourteen-year-old Peter is not entirely displeased to be apprenticed to a locksmith, especially as it means getting away from his "saintly" twin; but when the ghost of a former apprentice and a murder put him in grave danger, it is only his despised brothe...
New York :
Walker Library - Curriculum Collection - Juvenile - 3rd Floor
Pull and Hold