The Haunted Fort by Franklin W. Dixon - 1971 - 158 pages |

The Haunted Fountain by Margaret Sutton, Pelagie Doane - 2008 - 180 pages |

The Haunted House by Peggy Parish - 1981 - 160 pages |

The Haunted House by Paul Hutchens - 1967 - 128 pages |

The Haunted Mountain by Maureen Mollie Hunter McIlwraith, Mollie Hunter - 1972 - 140 pages |

The Haunted Road by Margaret Sutton - 2011 - 196 pages |

The Haunting by Joan Lowery Nixon - 2007 - 192 pages |

The Haunting by Joan Lowery Nixon - 2005 - 192 pages |

The Haunting by Joan Lowery Nixon - 2000 - 192 pages |

The Haunting of Ellen by Kelly Roberts - 2002 |

The Haunting of Hillside School by Kristiana Gregory - 2008 - 130 pages |

The Headless Cupid by Zilpha Keatley Snyder - 2009 - 240 pages |

The Helper's Apprentice by C. Pickhardt - 2006 |

The Hibiscus Conspiracies by Tessa Regis - 2009 |

The Hidden Clue by Margaret Sutton, Pelagie Doane - 2008 - 167 pages |

The Hidden Harbor Mystery by Franklin W. Dixon - 1975 - 177 pages |

The Hidden Staircase by Carolyn Keene - 1987 - 182 pages |

The Hidden Staircase by Carolyn Keene - 1987 - 182 pages |

The hidden staircase by Carolyn Keene - 1987 - 182 pages |

The hidden staircase by Carolyn Keene - 1987 - 182 pages |

The Hidden Staircase by Carolyn Keene - 1987 - 182 pages |

The Hidden Staircase by Carolyn Keene - 1987 - 182 pages |

The Hidden Staircase by Carolyn Keene - 1987 - 182 pages |

The Hidden Stairs and The Magic Carpet(The Secrets of Droon1) by Hon Tony Abbott, Tim Jessell - 1999 - 80 pages |

The Hidden Stairs and The Magic Carpet(The Secrets of Droon1) by Hon Tony Abbott, Tim Jessell - 1999 - 80 pages |

The High-Rise Private Eyes #5: The Case of the Sleepy Sloth by Cynthia Rylant, G. Brian Karas - 2004 - 48 pages |

The High-Rise Private Eyes #5: The Case of the Sleepy Sloth by Cynthia Rylant, G. Brian Karas - 2004 - 48 pages |

The High-Rise Private Eyes #6: The Case of the Fidgety Fox by Cynthia Rylant, G. Brian Karas - 2004 - 64 pages |

The Hoax by Mitzi Pool Bridges - 2000 |

The Hockey Mystery by Gertrude Chandler Warner - 2011 - 138 pages |

The holiday camp mystery by William Murray - 1966 - 50 pages |

The homework caper by Joan M. Lexau - 1966 - 64 pages |

The Hooples' Haunted House by Stephen Manes - 1983 - 107 pages |

The Horrendous Hurricane Mystery by Carole Marsh - 2004 |

The Host of Glencastle by Carole Marsh - 1990 |

The Hot Air Balloon Mystery by Carole Marsh - 1990 - 72 pages |

The Hot Fudge Sunday Affair by Cynthia Blair - 1985 - 138 pages |

The Hound of the Baskervilles by Arthur Conan Doyle, Judith Kerr - 2011 - 272 pages |

The Hound Of The Baskervilles by Pauline Francis, Sir Arthur Conan Doyle - 2005 - 48 pages |

The houndstooth check by Lois Utz - 1972 - 32 pages |

The house across the cove by Barbara Hall - 1995 - 258 pages |

The House Has Eyes by Joan Lowery Nixon - 2012 - 90 pages |

The house has eyes by Joan Lowery Nixon - 1996 - 90 pages |

The house has eyes by Joan Lowery Nixon - 1996 - 90 pages |

The house of secrets by Nina Bawden - 1992 - 187 pages |

The House of Whispers by William Le Queux - 2008 - 288 pages |

The House of Whispers by William Le Queux - 2008 - 288 pages |

The House of Whispers by William Le Queux - 2007 - 288 pages |

The House of Whispers by William Le Queux - 2007 - 264 pages |

The House Of Whispers by William Le Queux - 2004 - 248 pages |

The House on the Cliff by Franklin W. Dixon, Walter S. Rogers - 1991 - 212 pages |

The house on the cliff by Franklin W. Dixon - 1959 - 180 pages |

The House on the Cliff by Franklin W. Dixon - 1927 - 180 pages |

The House on the Hill by Eileen Dunlop - 1987 - 147 pages |

The House on the Hill (QR2) by Janice Greene - 2010 - 32 pages |

The House Where Nobody Lived by Brad Strickland - 2006 - 173 pages |

The House Where Nobody Lived by Brad Strickland - 2006 - 176 pages |

The House With No Name by P. Goodhart - 2006 - 72 pages |

The Howling House by Anne E. Schraff - 1995 - 51 pages |

The Humming Top by Dorothy Gladys Spicer - 1968 - 192 pages |

The hungry ghost mystery by Irwin Shapiro, William M. Hutchinson - 1978 - 63 pages |

The Hungry Ghost Mystery by Irwin Shapiro, William M. Hutchinson - 1978 - 63 pages |

The Hunted by Gloria Skurzynski, Alane Ferguson - 2000 - 160 pages |

The Hurricane Mystery by Gertrude Chandler Warner - 1996 - 118 pages |

The Ice Cream Mystery by Gertrude Chandler Warner - 2011 - 122 pages |

The Ice Cream Scoop by Carolyn Keene - 1995 - 80 pages |

The ice-cold case by Franklin W. Dixon - 1998 - 147 pages |

The infinite voyage by Poul Anderson - 1969 - 160 pages |

The infinity clue by Franklin W. Dixon - 1981 - 190 pages |

The Innocent Polly McDoodle by Mary Woodbury - 2000 - 192 pages |

The Innocent Polly McDoodle by Mary Woodbury - 2000 - 192 pages |

The Internet Escapade by Joan Lowery Nixon - 2012 - 86 pages |

The Invisible Assassin by Jim Eldridge - 2012 - 272 pages |

The Invisible Assassin by Jim Eldridge - 2012 - 272 pages |

The Invisible Chimes by Margaret Sutton, Pelagie Doane - 2008 - 213 pages |

The Invisible Island by Ron Roy - 1999 - 96 pages |

The Invisible War by Matthew Mclean - 2007 |

The invisible witness by Wolfgang Ecke - 1980 - 143 pages |

The Island Escapade by Jane Stewart - 2003 |

The Island of Dangerous Dreams by Joan Lowery Nixon - 1989 - 186 pages |

The Island of Dangerous Dreams by Joan Lowery Nixon - 1989 - 186 pages |

The Jaguar's Jewel by Ron Roy - 2000 - 96 pages |

The Jaguar's Jewel by Ron Roy - 2000 - 96 pages |

The Jewel Thieves by Pat Yorgensen - 2010 - 32 pages |

The Josie Gambit by Mary Francis Shura - 1988 - 128 pages |

The Journey Home by Jan O'Berry - 2003 |

The Kachina Doll Mystery by Carolyn Keene - 1981 - 187 pages |

The karate class mystery by Elizabeth Levy - 1996 - 48 pages |

The Karate Clue by Franklin W. Dixon, Frank Bolle - 1997 - 72 pages |

The Ketchup Sisters by Holland - 1989 - 80 pages |

The Key in the Satin Pocket by Carolyn Keene - 1999 - 149 pages |

The Kidnapped Falcon by Dana Brenford, Marion Dane Bauer, Kristi Schaeppi - 1988 - 63 pages |

The Kidnapped King by Ron Roy - 2000 - 96 pages |

The Kidnappers by Willo Davis Roberts - 1999 - 144 pages |

The kidnapping by Jerry B. Jenkins - 1984 - 121 pages |

The Kidnapping of Christina Lattimore by Joan Lowery Nixon - 2004 - 305 pages |

The Killer's Cousin by Nancy Werlin - 2000 - 240 pages |

The Killings Tale by W. A. Frankans - 2002 - 91 pages |

The Kitten Caper by Carolyn Keene, Jan Naimo Jones, Michael Frost - 2005 - 80 pages |

The Kootenay kidnapper by Eric Wilson - 2001 - 106 pages |

The Last Drop by John Peel - 1995 - 160 pages |

The Last Laugh by Franklin W. Dixon - 1990 - 155 pages |

The Last Synapsid by Timothy Mason - 2009 - 288 pages |

The Last Time by Eleanor Robins - 2005 - 48 pages |

The Laugh-Along Mystery by Suzanne Weyn - 1997 - 44 pages |

The Legacy of Lizzie Dolan by Bill May - 2011 |

The Legend of Burial Island by David Crossman - 2009 |

The Legend of Deadman's Mine by Joan Lowery Nixon - 2012 - 93 pages |

The legend of Deadman's Mine by Joan Lowery Nixon, Kathleen Collins Howell - 1995 - 98 pages |

The Legend of the Emerald Lady by Carolyn Keene - 2000 - 147 pages |

The Lenski File by Lillian Boraks-Nemetz - 2001 - 215 pages |

The lesson is murder by Joanne Hoppe - 1977 - 149 pages |

The Lethal Target by Jim Eldridge - 2013 - 256 pages |

The Letter, the Witch, and the Ring by John Bellairs, Richard Egielski - 2004 - 188 pages |

The Little Giant Book of Eerie Thrills & Unspeakable Chills by Sheila Anne Barry, Ron Edwards, C. B. Colby, John Macklin - 2004 - 352 pages |

The Little Giant Book of Mini-Mysteries by Jim Sukach - 2003 - 351 pages |

The Locker Thief by Shannon Gilligan - 1991 - 128 pages |

The Lockview Logans by C. S. Norman - 2012 |

The London Eye Mystery by Siobhan Dowd - 2008 - 322 pages |

The Long Grass Tunnel by Jennifer Roemermann - 2012 - 50 pages |

The Long Night Watch by Ivan Southall - 1984 - 160 pages |

The Lost Curse by T. Lynn Adams - 2012 - 304 pages |

The Lost Keys by Jenny Giles - 2000 - 16 pages |

The Lost Keys by Jenny Giles - 2000 - 16 pages |

The Lost Mission of Captain Carranza by Dave Hart - 2007 |

The Luckie Star by Ann Waldron - 1977 - 166 pages |

The Lucky Lottery by Ron Roy - 2000 - 96 pages |

The Lucky Lottery by Ron Roy, John Steven Gurney - 2000 - 96 pages |

The Macaroni Mess by Molly Mia Stewart, Francine Pascal - 1997 - 83 pages |

The mad gasser of Bessledorf Street by Phyllis Reynolds Naylor - 1992 - 104 pages |

The Madcap Mystery of the Missing Liberty Bell by Carole Marsh - 2009 - 145 pages |

The Magic Act by S. Roy Stevenson - 2008 |

The Magic Act by S. Roy Stevenson - 2008 |

The Magic Camera by Natalie Buske Thomas - 2000 - 117 pages |

The Magician's Tower: A Sequel to The Wizard of Dark Street by Shawn Thomas Odyssey - 2013 - 304 pages |

The Maharaja's Ghost by Sophie Masson - 2007 - 304 pages |

The mall by Richie Tankersley Cusick - 1992 - 212 pages |

The Mall Street Sleuth by G. H. Sherrer - 2011 - 218 pages |

The Maltese Feline by Mary Blount Christian - 1988 - 64 pages |

The man by Raymond Briggs - 1995 - 70 pages |

The Man in the River by Duffy - 1990 - 165 pages |

The Man in the Woods by Rosemary Wells - 2012 - 232 pages |

The Man in the Woods by Rosemary Wells - 1991 - 240 pages |

The Man in the Woods by Rosemary Wells - 1985 - 232 pages |

The Man Who Vanished by Amy Keyishian - 1996 - 131 pages |

The Man Who Was Poe by Avi - 1991 - 224 pages |

The Man with the Black Glove by Ursel Scheffler, Christa Unzner, U Scheffler, Rosemary Lanning - 2001 - 64 pages |

The Mansion in the Mist by John Bellairs - 2004 - 170 pages |

The Many Lives of Underfoot the Cat by Jack Maguire, Sandy Kossin - 1990 - 53 pages |

The marathon race mystery by Robert McNear - 1985 - 121 pages |

The marathon race mystery by Robert McNear - 1985 - 121 pages |

The Marching Band Mystery by Sharon Peters - 1985 - 48 pages |

The Mardi Gras mystery by Louise Munro Foley, Louise Munro - 1987 - 118 pages |

The Mariner's Secret by Mary Tomasi-Dubois - 2006 - 137 pages |

The Mark on the Mirror by Margaret Sutton - 2011 - 220 pages |

The Mask on the Cruise Ship by Melanie Jackson - 2004 - 192 pages |

The Mayfair Mysteries: The Case of the Poisoned Pie by Alex Carter - 2011 - 176 pages |

The Mayfair Mysteries: The Case of the Ruby Necklace by Alex Carter - 2011 - 160 pages |

The Mayfair Mysteries: The Case of the Suspicious Supermodel by Alex Carter - 2012 - 176 pages |

The Mean Root of Crowteal Pond by Laurence Mitchell - 2009 - 28 pages |

The Melted Coins by Franklin W. Dixon - 1944 - 180 pages |

The Mercer Boys in the Ghost Patrol by Capwell Wyckoff - 2009 - 200 pages |

The message in the haunted mansion by Carolyn Keene - 1994 - 160 pages |

The Messenger by John Townsend - 2005 - 64 pages |

The Mexican Tamale Mystery by George Edward Stanley - 1988 - 112 pages |

The Midnight Mystery by Gertrude Chandler Warner - 2011 - 138 pages |

The Midnight Mystery by Gertrude Chandler Warner - 2003 - 128 pages |

The Midnight Mystery by Gertrude Chandler Warner - 2003 - 128 pages |

The Midnight Visitor by Margaret Sutton, Pelagie Doane - 2008 - 249 pages |

The Mills of God by Justin R. Smith - 2006 - 273 pages |

The Minden Curse by Willo Davis Roberts - 1990 - 218 pages |

The Minden Curse by Willo Davis Roberts - 1978 - 226 pages |

The Minden Curse by Willo Davis Roberts - 1978 - 226 pages |

The Minerva Program by Claire Mackay - 1984 - 178 pages |

The Minerva Program by Claire Mackay - 1984 - 178 pages |

The Missing Chums by Franklin W. Dixon - 1962 - 175 pages |

The Missing Maple Syrup Sap Mystery by Gail Gibbons - 1979 - 32 pages |

The Missing Mummy by Ron Roy - 2001 - 96 pages |

The Missing Rock Star Caper by R. Parker McVey, Jacqueline Rogers - 1985 - 117 pages |

The Missing Rock Star Caper by R. Parker McVey, Jacqueline Rogers - 1985 - 117 pages |

The Missing Tea Set by Molly Mia Stewart, Francine Pascal - 1993 - 68 pages |

The Missing Trumpet Blues by Elise Smith - 2004 - 56 pages |

The Mission Possible Mystery at Space Center Houston by Carole Marsh - 2009 - 145 pages |

The Mixed-Up Mask Mystery by Elizabeth Levy - 2003 - 86 pages |

The Mixed-Up Mask Mystery by Elizabeth Levy - 2003 - 86 pages |

The Model Mystery by Rebecca Price Janney - 1993 - 120 pages |

The Monster in the Lake by Franklin W. Dixon - 1999 - 80 pages |

The Monster Mystery by Jack Long, Modern Publishing - 1989 - 64 pages |

The Moonpath and Other Tales of the Bizarre by Robert E. Swindells - 1983 - 79 pages |

The Moonstone Castle Mystery by Carolyn Keene - 1963 - 178 pages |

The Mound Builders' Secret by Eileen Charbonneau - 1994 - 224 pages |

The Moving Picture Girls at Oak Farm Or Queer Happenings While Taking Rural Plays by Laura Lee Hope - 2004 - 224 pages |

The Muffin Fiend by Daniel Manus Pinkwater - 1987 - 48 pages |

The Muffin Fiend by Daniel Manus Pinkwater - 1986 - 48 pages |

The mummy, the will, and the crypt by John Bellairs, Edward Gorey - 2004 - 168 pages |

The Murder of Hound Dog Bates by Robbie Branscum - 1995 - 96 pages |

The Murders at Terrapin Island by Garrison Flint - 2002 - 198 pages |

The Museum of Mary Child by Cassandra Golds - 2009 - 336 pages |

The Music Festival Mystery by Carolyn Keene - 2000 - 147 pages |

The Mysteries of Harris Burdick by Chris Van Allsburg - 1996 - 16 pages |