| Number |
Title |
Published |
|---|
| 20 |
The Haunted Cabin Mystery |
1991 |
| 21 |
The Deserted Library Mystery |
1991 |
| 22 |
The Animal Shelter Mystery |
1991 |
| 23 |
The Old Motel Mystery |
1991 |
| 24 |
The Mystery of the Hidden Painting |
1992 |
| 25 |
The Amusement Park Mystery |
1992 |
| 26 |
The Mystery of the Mixed Up Zoo |
1992 |
| 27 |
The Camp Out Mystery |
1992 |
| 28 |
The Mystery Girl |
1992 |
| 29 |
The Mystery Cruise |
1992 |
| 30 |
The Disappearing Friend Mystery |
1992 |
| 31 |
The Mystery of the Singing Ghost |
1992 |
| 32 |
The Mystery in the Snow |
1993 |
| 33 |
The Pizza Mystery |
1993 |
| 34 |
The Mystery Horse |
1993 |
| 35 |
The Mystery at the Dog Show |
1993 |
| 36 |
The Castle Mystery |
1993 |
| 37 |
The Mystery of the Lost Village |
1993 |
| 38 |
The Mystery of the Purple Pool |
1994 |
| 39 |
The Ghost Ship Mystery |
1994 |
| 40 |
The Canoe Trip Mystery |
1994 |
| 41 |
The Mystery of the Hidden Beach |
1994 |
| 42 |
The Mystery of the Missing Cat |
1994 |
| 43 |
The Mystery on Stage |
1994 |
| 44 |
The Dinosaur Mystery |
1995 |
| 45 |
The Mystery of the Stolen Music |
1995 |
| 46 |
The Chocolate Sundae Mystery |
1995 |
| 47 |
The Mystery of the Hot Air Balloon |
1995 |
| 48 |
The Mystery Bookstore |
1995 |
| 49 |
The Mystery of the Stolen Boxcar |
1995 |
| 50 |
The Mystery in the Cave |
1996 |
| 51 |
The Mystery on the Train |
1996 |
| 52 |
The Mystery of the Lost Mine |
1996 |
| 53 |
The Guide Dog Mystery |
1996 |
| 54 |
The Hurricane Mystery |
1996 |
| 55 |
The Mystery of the Secret Message |
1996 |
| 56 |
The Firehouse Mystery |
1997 |
| 57 |
The Mystery in San Francisco |
1997 |
| 58 |
The Mystery at the Alamo |
1997 |
| 59 |
The Outer Space Mystery |
1997 |
| 60 |
The Soccer Mystery |
1997 |
| 61 |
The Growling Bear Mystery |
1997 |
| 62 |
The Mystery of the Lake Monster |
1998 |
| 63 |
The Mystery at Peacock Hall |
1998 |
| 64 |
The Black Pearl Mystery |
1998 |
| 65 |
The Cereal Box Mystery |
1998 |
| 66 |
The Panther Mystery |
1998 |
| 67 |
The Mystery of the Stolen Sword |
1998 |
| 68 |
The Basketball Mystery |
1999 |
| 69 |
The Movie Star Mystery |
1999 |
| 70 |
The Mystery of the Pirate's Map |
1999 |
| 71 |
The Ghost Town Mystery |
1999 |
| 72 |
The Mystery in the Mall |
1999 |
| 73 |
The Gymnastics Mystery |
1999 |
| 74 |
The Poison Frog Mystery |
2000 |
| 75 |
The Mystery of the Empty Safe |
2000 |
| 76 |
The Great Bicycle Race Mystery |
2000 |
| 77 |
The Mystery of the Wild Ponies |
2000 |
| 78 |
The Mystery in the Computer Game |
2000 |
| 79 |
The Mystery at the Crooked House |
2000 |
| 80 |
The Hockey Mystery |
2001 |
| 81 |
The Mystery of the Midnight Dog |
2001 |
| 82 |
The Summer Camp Mystery |
2001 |
| 83 |
The Copycat Mystery |
2001 |
| 84 |
The Haunted Clock Tower Mystery |
2001 |
| 85 |
The Disappearing Staircase Mystery |
2001 |
| 86 |
The Mystery on Blizzard Mountain |
2002 |
| 87 |
The Mystery of the Spider's Clue |
2002 |
| 88 |
The Mystery of the Mummy's Curse |
2002 |
| 89 |
The Mystery of the Star Ruby |
2002 |
| 90 |
The Stuffed Bear Mystery |
2002 |
| 91 |
The Mystery at Skeleton Point |
2002 |
| 92 |
The Tattletale Mystery |
2003 |
| 93 |
The Comic Book Mystery |
2003 |
| 94 |
The Ice Cream Mystery |
2003 |
| 95 |
The Midnight Mystery |
2003 |
| 96 |
The Mystery in the Fortune Cookie |
2003 |
| 97 |
The Radio Mystery |
2003 |
| 98 |
The Mystery of the Runaway Ghost |
2004 |
| 99 |
The Finders Keepers Mystery |
2004 |
| 100 |
The Mystery of the Haunted Boxcar |
2004 |
| 101 |
The Clue in the Corn Maze |
2004 |
| 102 |
The Ghost of the Chattering Bones |
2005 |
| 103 |
The Sword of the Silver Knight |
2005 |
| 104 |
The Game Store Mystery |
2005 |
| 105 |
The Mystery of the Orphan Train |
2005 |
| 106 |
The Vanishing Passenger |
2006 |
| 107 |
The Giant Yo Yo Mystery |
2006 |
| 108 |
The Creature in Ogopogo Lake |
2006 |
| 109 |
The Rock and Roll Mystery |
2006 |
| 110 |
The Secret of the Mask |
2007 |
| 111 |
The Seattle Puzzle |
2007 |
| 112 |
The Ghost in the First Row |
2007 |
| 113 |
The Box that Watch Found |
2007 |
| 114 |
A Horse Named Dragon |
2008 |
| 115 |
The Great Detective Race |
2008 |
| 116 |
The Ghost at the Drive-In Movie |
2008 |
| 117 |
The Mystery of the Traveling Tomatoes |
2008 |
| 118 |
The Spy Game |
2009 |
| 119 |
The Dog-Gone Mystery |
2009 |
| 120 |
The Vampire Mystery |
2009 |
| 121 |
Superstar Watch |
2009 |
| 122 |
The Spy in the Bleachers |
2010 |
| 123 |
The Amazing Mystery Show |
2010 |
| 124 |
The Pumpkin Head Mystery |
2010 |
| 125 |
The Cupcake Caper |
2010 |
| 126 |
The Clue in the Recycling Bin |
2011 |
| 127 |
Monkey Trouble |
2011 |
| 128 |
The Zombie Project |
2011 |
| 129 |
The Great Turkey Heist |
2011 |
| 130 |
The Garden Thief |
2012 |
| 131 |
The Boardwalk Mystery |
2013 |
| 132 |
The Mystery of the Fallen Treasure |
2013 |
| 133 |
The Return of the Graveyard Ghost |
2013 |
| 134 |
The Mystery of the Stolen Snowboard |
2014 |
| 135 |
The Mystery of the Wild West Bandit |
2014 |
| 136 |
The Mystery of the Soccer Snitch |
2014 |
| 137 |
The Mystery of the Grinning Gargoyle |
2014 |
| 138 |
The Mystery of the Missing Pop Idol |
2015 |
| 139 |
The Mystery of the Stolen Dinosaur Bones |
2015 |
| 140 |
The Mystery at the Calgary Stampede |
2015 |
| 141 |
The Sleepy Hollow Mystery |
2015 |
| 142 |
The Legend of the Irish Castle |
2016 |
| 143 |
The Celebrity Cat Caper |
2016 |
| 144 |
Hidden in the Haunted School |
2016 |
| 145 |
The Election Day Dilemma |
2016 |
| 146 |
The Doughnut Whodunit |
2018 |
| 147 |
The Robot Ransom |
2018 |
| 148 |
The Legend of the Howling Werewolf |
2018 |
| 149 |
The Day of the Dead Mystery |
2018 |
| 150 |
The Hundred-Year Mystery |
2019 |
| 151 |
The Sea Turtle Mystery |
2019 |
| 152 |
Secret on the Thirteenth Floor |
2019 |
| 153 |
The Power Down Mystery |
2019 |
| 154 |
Mystery at Camp Survival |
2020 |
| 155 |
The Mystery of the Forgotten Family |
2020 |
| 156 |
The Skeleton Key Mystery |
2020 |
| 157 |
Science Fair Sabotage |
2020 |
| 158 |
The Great Greenfield Bake-Off |
2021 |
| 159 |
The Beekeeper Mystery |
2021 |
| 160 |
The Mystery in the Magic Shop |
2022 |
| 161 |
The Raptor Rescue |
2022 |
| 162 |
The Code-Breaking Mystery |
2023 |
