 Christina's Ghost by Betty Ren Wright |  The Tattooed Potato and Other Clues by Ellen Raskin |  Famous Last Words by Katie Alender |  The Ghosts of Mercy Manor by Betty Ren Wright |  The Dead Man in Indian Creek by Mary Downing Hahn |  The Hunt for the Seventh by Christine Morton-Shaw |  Ghosts Beneath Our Feet by Betty Ren Wright |  Key to the Treasure by Peggy Parish |  The Ghost and Mrs. Hobbs by Cynthia DeFelice |  How to Disappear Completely and Never Be Found by Sara Nickerson |  The Secret of Skeleton Island by Robert Arthur |  Sammy Keyes and the Search for Snake Eyes by Wendelin Van Draanen |  A Ghost In The House by Betty Ren Wright |  The Ghosts of Cougar Island by Peggy Parish |  Encyclopedia Brown Shows the Way by Donald J. Sobol |  Mystery of the Empty House by Dorothy Sterling |  Skeleton Creek by Patrick Carman |  All the Lovely Bad Ones by Mary Downing Hahn |  The Doll in the Garden by Mary Downing Hahn |  The Old Willis Place by Mary Downing Hahn |