understand why his history teacher, Mr. Gordon, has taken such a personal interest in him. Do you believe in ghosts? Do you believe you can make bullies simply disappear? Do you believe you can walk through walls? Mr. Gordon tells Oliver: "When you truly believe anything is possible, you will be able to open doors where there were only walls." And one of those doors leads Oliver to Provex City, which puts him in far greater danger than he can possibly fathom. This is a young adult fantasy novel with mild language, sexual situations, and medium violence. It is recommended for readers in Grade 9 and up.

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