1
The Secret of the Old Clock 1930 5
2
The Hidden Staircase 1930 5
3
The Bungalow Mystery 1930 5
4
Mystery at Lilac Inn 1930 5
5
Secret at Shadow Ranch 1931 5
6
Secret of Red Gate Farm 1931 5
7
The Clue in the Diary 1932 5
8
Nancy's Mysterious Letter 1932 5
9
The Sign of the Twisted Candles 1933 5
10
Password to Larkspur Lane 1933 5
11
The Clue of the Broken Locket Jan-1934 5
12
The Message in the Hollow Oak Jan-1935 5
13
The Mystery of the Ivory Charm 1936 5
14
The Whispering Statue 1937 5
15
The Haunted Bridge 1938 5
16
The Clue of the Tapping Heels 1939 5
17
The Mystery of the Brass-Bound Trunk 1940 5
18
The Mystery of the Moss-Covered Mansion 1941 4
19
The Quest of the Missing Map 1942 5
20
The Clue in the Jewel Box 1943 5
21
The Secret in the Old Attic 1944 5
22
Clue in the Crumbling Wall 1945 5
23
The Mystery of the Tolling Bell 1946 5
24
The Clue in the Old Album 1947 5
25
The Ghost of Blackwood Hall 1948 5
26
The Clue of the Leaning Chimney 1949 4
27
The Secret of the Wooden Lady 1950 5
28
The Clue of the Black Keys 1951 4
29
Mystery at the Ski Jump 1952 5
30
The Clue of the Velvet Mask 1953 4
31
The Ringmaster's Secret 1953 5
32
The Scarlet Slipper Mystery 1954 5
33
The Witch Tree Symbol 1955 5
34
The Hidden Window Mystery 1956 5
35
The Haunted Showboat 1957 5
36
The Secret of the Golden Pavilion 1959 5
37
The Clue in the Old Stagecoach 1960 5
38
The Mystery of the Fire Dragon 1961 5
39
The Clue of the Dancing Puppet 1962 4
40
The Moonstone Castle Mystery 1963 5
41
The Clue of the Whistling Bagpipes 1964 5
42
The Phantom of Pine Hill 1965 5
43
The Mystery of the 99 Steps Jun-1966 5
44
The Clue in the Crossword Cipher 1967 5
45
The Spider Sapphire Mystery 1968 5
46
The Invisible Intruder 1969 5
47
The Mysterious Mannequin 1970 5
48
The Crooked Bannister 1971 5
49
The Secret of Mirror Bay 1972 5
50
The Double Jinx Mystery 1973 5
51
The Mystery of the Glowing Eye 1974 5
52
The Secret of the Forgotten City 1975 5
53
The Sky Phantom 1976 5
54
The Strange Message in the Parchment 1977 5
55
Mystery of Crocodile Island 1978 5
56
The Thirteenth Pearl 1979 5
57
The Triple Hoax Nov-1979 3.5
58
The Flying Saucer Mystery Jun-1980 1.5
59
The Secret in the Old Lace Nov-1980 5
60
The Greek Symbol Mystery Jun-1981 4
61
The Swami's Ring Nov-1981 3.5
62
The Kachina Doll Mystery Nov-1981 3.5
63
The Twin Dilemma Nov-1981 4
64
Captive Witness Nov-1981 3
65
Mystery of the Winged Lion Jul-1982 5
66
Race Against Time Jul-1982 4
67
The Sinister Omen Jul-1982 4
68
The Elusive Heiress Jul-1982 4
69
Clue in the Ancient Disguise Jan-1983 4
70
The Broken Anchor May-1983 3.5
71
The Silver Cobweb May-1983 4
72
The Haunted Carousel Oct-1983 4
73
Enemy Match May-1984 0
74
The Mysterious Image May-1984 0
75
The Emerald-Eyed Cat Mystery Oct-1984 4
76
The Eskimo's Secret Jun-1985 0
77
The Bluebeard Room Nov-1985 5
78
The Phantom of Venice Nov-1985 5
79
The Double Horror of Fenley Place Sep-1987 4
80
The Case of the Disappearing Diamonds Nov-1987 4
81
The Mardi Gras Mystery Jan-1988 5
82
The Clue in the Camera Mar-1988 0
83
The Case of the Vanishing Veil May-1988 4
84
The Joker's Revenge Jul-1988 0
85
The Secret of Shady Glen Sep-1988 4
86
The Mystery of Misty Canyon Dec-1988 5
87
The Case of the Rising Stars Feb-1989 0
88
The Search for Cindy Austin Apr-1989 0
89
The Case of the Disappearing Deejay Jun-1989 3
90
The Puzzle at Pineview School Aug-1989 0
91
The Girl Who Couldn't Remember Oct-1989 4
92
The Ghost of Craven Cove Dec-1989 4
93
The Case of the Safecracker's Secret Feb-1990 0
94
The Picture-Perfect Mystery Apr-1990 0
95
The Silent Suspect Jun-1990 4
96
The Case of the Photo Finish Aug-1990 0
97
The Mystery at Magnolia Mansion Oct-1990 5
98
The Haunting of Horse Island Dec-1990 5
99
The Secret at Seven Rocks Feb-1991 3
100
A Secret in Time Apr-1991 0
101
The Mystery of the Missing Millionairess Jun-1991 0
102
The Secret in the Dark Aug-1991 0
103
The Stranger in the Shadows Oct-1991 5
104
The Mystery of the Jade Tiger Dec-1991 5
105
The Clue in the Antique Trunk Feb-1992 5
106
The Case of the Artful Crime Apr-1992 4
107
The Legend of Miner's Creek Jun-1992 0
108
The Secret of the Tibetan Treasure Aug-1992 5
109
The Mystery of the Masked Rider Oct-1992 0
110
The Nutcracker Ballet Mystery Dec-1992 0
111
The Secret at Solaire Feb-1993 4
112
Crime in the Queen's Court Apr-1993 5
113
The Secret Lost at Sea Jun-1993 0
114
The Search for the Silver Persian Aug-1993 4
115
The Suspect in the Smoke Oct-1993 0
116
The Case of the Twin Teddy Bears Dec-1993 0
117
Mystery on the Menu Feb-1994 1
118
Trouble at Lake Tahoe Apr-1994 0
119
The Mystery of the Missing Mascot Jul-1994 0
120
The Case of the Floating Crime Aug-1994 4
121
The Fortune Teller's Secret Oct-1994 0
122
The Message in the Haunted Mansion Dec-1994 4.5
123
The Clue on the Silver Screen Feb-1995 0
124
The Secret of the Scarlet Hand Apr-1995 0
125
The Teen Model Mystery Jun-1995 5
126
The Riddle in the Rare Book Aug-1995 4
127
The Case of the Dangerous Solution Oct-1995 0
128
The Treasure in the Royal Tower Dec-1995 4.5
129
The Baby-Sitter Burglaries Feb-1996 4
130
The Sign of the Falcon Feb-1996 0
131
The Hidden Inheritance Jun-1996 4
132
The Fox Hunt Mystery Sep-1996 4
133
The Mystery at the Crystal Palace Oct-1996 4
134
The Secret of the Forgotten Cave Dec-1996 4
135
The Riddle of the Ruby Gazelle Feb-1997 4
136
The Wedding Day Mystery Apr-1997 4
137
In Search of the Black Rose Jun-1997 4
138
The Legend of the Lost Gold Aug-1997 0
139
The Secret of Candlelight Inn Oct-1997 0
140
The Door-to-Door Deception Dec-1997 0
141
The Wild Cat Crime Feb-1998 0
142
The Case of Capital Intrigue Apr-1998 4
143
Mystery on Maui Jun-1998 4
144
The E-Mail Mystery Aug-1998 3
145
The Missing Horse Mystery Oct-1998 4.5
146
The Ghost of the Lantern Lady Oct-1998 5
147
The Case of the Captured Queen Jan-1999 5
148
On the Trail of Trouble Mar-1999 0
149
The Clue of the Gold Doubloons May-1999 0
150
Mystery at Moorsea Manor Jul-1999 4
151
The Chocolate-Covered Contest Sep-1999 3.5
152
The Key in the Satin Pocket Jan-2000 5
153
Whispers in the Fog Mar-2000 3
154
Legend of the Emerald Lady May-2000 5
155
The Mystery in Tornado Alley Jul-2000 4
156
The Secret in the Stars Sep-2000 0
157
The Music Festival Mystery Nov-2000 0
158
The Curse of the Black Cat Jan-2001 4
159
The Secret of the Fiery Chamber Apr-2001 5
160
The Clue on the Crystal Dove Jun-2001 4
161
Lost in the Everglades Jul-2001 5
162
The Case of the Lost Song Sep-2001 4
163
The Clues Challenge Nov-2001 5
164
The Mystery of the Mother Wolf Jan-2002 4
165
The Crime Lab Case Mar-2002 3.5
166
The Case of the Creative Crime May-2002 5
167
Mystery By Moonlight Jul-2002 4
168
The Bike Tour Mystery Sep-2002 0
169
Mistletoe Mystery Nov-2002 5
170
No Strings Attached Jan-2003 0
171
Intrigue at the Grand Opera Mar-2003 0
172
The Riding Club Crime May-2003 0
173
Danger on the Great Lakes Jul-2003 4.5
174
A Taste of Danger Sep-2003 0
175
Werewolf in a Winter Wonderland Nov-2003 0
