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
|