Goosebumps Wanted: The Haunted Mask is a stand-alone book in the Goosebumps franchise that geared up to the Goosebumps Most Wanted series. It is the first original Goosebumps book to be released in hardcover format. It was also released in paperback. It was first published in 2012 The book is divided into four parts, a prologue that took place in 1972, Lu-Ann's story, which takes place 40 years later, Devin's story, and an epilogue called, "Polly's House".