The Houdini Box

In this book, Victor is forever trying to escape from locked trunks, walk through walls, and perform any number of Houdini's astonishing magic tricks... without success. Then - amazingly - he actually meets his idol, and begs Houdini to explain himself. A mysterious locked box is the magician's only answer, and Victor is left to wonder - Does the box contain the secrets to the most famous magic tricks ever performed?