1930-2003

  1. The Secret of the Old Clock
  2. The Hidden Staircase
  3. The Bungalow Mystery
  4. The Mystery at Lilac Inn
  5. The Secret of Shadow Ranch
  6. The Secret of Red Gate Farm
  7. The Clue in the Diary
  8. Nancy’s Mysterious Letter
  9. The Sign of the Twisted Candles
  10. The Password to Larkspur Lane
  11. The Clue of the Broken Locket
  12. The Message in the Hollow Oak
  13. The Mystery of the Ivory Charm
  14. The Whispering Statue
  15. The Haunted Bridge
  16. The Clue of the Tapping Heels
  17. The Mystery of the Brass-Bound Trunk
  18. Mystery of the Moss-Covered Mansion
  19. The Quest of the Missing Map
  20. The Clue in the Jewel Box
  21. The Secret in the Old Attic
  22. The Clue in the Crumbling Wall
  23. The Mystery of the Tolling Bell
  24. The Clue in the Old Album
  25. The Ghost of Blackwood Hall
  26. The Clue of the Leaning Chimney
  27. The Secret of the Wooden Lady
  28. The Clue of the Black Keys
  29. Mystery at the Ski Jump
  30. The Clue of the Velvet Mask
  31. The Ringmaster’s Secret
  32. The Scarlet Slipper Mystery
  33. The Witch Tree Symbol
  34. The Hidden Window Mystery
  35. The Haunted Showboat
  36. The Secret of the Golden Pavilion
  37. The Clue in the Old Stagecoach
  38. The Mystery of the Fire Dragon
  39. The Clue of the Dancing Puppet
  40. The Moonstone Castle Mystery
  41. The Clue of the Whistling Bagpipes
  42. The Phantom of Pine Hill
  43. The Mystery of the 99 Steps
  44. The Clue in the Crossword Cipher
  45. The Spider Sapphire Mystery
  46. The Invisible Intruder
  47. The Mysterious Mannequin
  48. The Crooked Banister
  49. The Secret of Mirror Bay
  50. The Double Jinx Mystery
  51. The Mystery of the Glowing Eye
  52. The Secret of the Forgotten City
  53. The Sky Phantom
  54. The Strange Message in the Parchment
  55. Mystery of Crocodile Island
  56. The Thirteenth Pearl
  57. The Triple Hoax
  58. The Flying Saucer Mystery
  59. The Secret in the Old Lace
  60. The Greek Symbol Mystery
  61. The Swami’s Ring
  62. The Kachina Doll Mystery
  63. The Twin Dilemma
  64. Captive Witness
  65. Mystery of the Winged Lion
  66. Race Against Time
  67. Sinister Omen
  68. The Elusive Heiress
  69. Clue in the Ancient Disguise
  70. Broken Anchor
  71. The Silver Cobweb
  72. Haunted Carousel
  73. Enemy Match
  74. The Mysterious Image
  75. The Emerald-Eyed Cat Mystery
  76. The Eskimo’s secret
  77. Bluebeard Room
  78. Phantom of Venice
  79. The Double Horror of Fenley Place
  80. The Case of the Disappearing Diamonds
  81. The Mardi Gras Mystery
  82. The Clue in the Camera
  83. The Case of the Vanishing Veil
  84. Joker’s Revenge
  85. The Secret of Shady Glen
  86. The Mystery of Misty Canyon
  87. The Case of the Rising Star
  88. The Search for Cindy Austin
  89. The Case of the Disappearing Deejay
  90. The Puzzle at Pineview School
  91. The Girl Who Couldn’t Remember
  92. The Ghost of Craven Cove
  93. The Case of the Safecrackers Secret
  94. The Picture-Perfect Mystery
  95. The Silent Suspect
  96. The Case of the Photo Finish
  97. The Mystery of Magnolia Mansion
  98. The Haunting of Horse Island
  99. The Secret at Seven Rocks
  100. A Secret In Time
  101. The Mystery of the Missing Millionairess
  102. The Secret in the Dark
  103. The Stranger in the Shadows
  104. The Mystery of the Jade Tiger
  105. The Clue in the Antique Trunk
  106. The Case Of The Artful Crime
  107. The Legend of Miner’s Creek
  108. The Secret of the Tibetan Treasure
  109. The Mystery Of The Masked Rider
  110. The Nutcracker Ballet Mystery
  111. The Secret at Solaire
  112. Crime in the Queen’s Court
  113. The Secret Lost at Sea
  114. The Search for the Silver Persian
  115. The Suspect in the Smoke
  116. The Case of the Twin Teddy Bears
  117. Mystery on the Menu
  118. Trouble at Lake Tahoe
  119. The Mystery of the Missing Mascot
  120. The Case Of The Floating Crime
  121. The Fortune Teller’s Secret
  122. The Message in the Haunted Mansion
  123. The Clue on the Silver Screen
  124. The Secret of the Scarlet Hand
  125. The Teen Model Mystery
  126. The Riddle in the Rare Book
  127. The Case of the Dangerous Solution
  128. The Treasure in the Royal Tower
  129. The Baby Sitter Burglaries
  130. The Sign of the Falcon
  131. The Hidden Inheritance
  132. The Fox Hunt Mystery
  133. The Mystery at the Crystal Palace
  134. The Secret of the Forgotten Cave
  135. The Riddle Of The Ruby Gazelle
  136. The Wedding Day Mystery
  137. In Search of the Black Rose
  138. The Legend of the Lost Gold
  139. The Secret of Candlelight Inn
  140. The Door to Door Deception
  141. The Wild Cat Crime
  142. The Case of Capital Intrigue
  143. Mystery on Maui
  144. The E-Mail Mystery
  145. The Missing Horse Mystery
  146. The Ghost of the Lantern Lady
  147. The Case of the Captured Queen
  148. On The Trail of Trouble
  149. The Clue of the Gold Doubloons
  150. Mystery at Moorsea Manor
  151. The Chocolate-Covered Contest
  152. The Key in the Satin Pocket
  153. Whispers in the Fog
  154. The Legend of the Emerald Lady
  155. The Mystery in Tornado Alley
  156. The Secret in the Stars
  157. The Music Festival Mystery
  158. The Curse of the Black Cat
  159. The Secret of the Fiery Chamber
  160. The Clue on the Crystal Dove
  161. Lost in the Everglades
  162. The Case of the Lost Song
  163. The Clues Challenge
  164. The Mystery of the Mother Wolf
  165. The Crime Lab Case
  166. The Case of the Creative Crime
  167. Mystery by Moonlight
  168. Bike Tour Mystery
  169. Mistletoe Mystery
  170. No Strings Attached
  171. Intrigue at the Grand Opera
  172. The Riding Club Crime
  173. Danger on the Great Lakes
  174. A Taste of Danger
  175. Werewolf in a Winter Wonderland

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