01a
“Terror Castle” – UK paperback edition, Published by Armada, 1992
01b
“Terror Castle” – UK paperback edition, Published by Armada, ?
03a
“The Whispering Mummy” – UK paperback edition, Published by Armada, ?
03b
“The Whispering Mummy” – UK paperback edition, Published by Armada, 1988
04a
“Green Ghost”
– UK paperback edition, Published by Armada, 1970
04b
“Green Ghost”
– UK paperback edition, Published by Armada, ?
05a
“The Vanishing Treasure” – UK paperback edition, Published by Armada, 1980
06a
“Skeleton Island” – UK paperback edition, Published by Armada, 1988
06b
“Skeleton Island” – UK paperback edition, Published by Armada, 1970
06c
“Skeleton Island” – UK paperback edition, Published by Armada, 1970
07a
“The Fiery Eye” – UK paperback edition, Published by Armada, 1988
07b
“The Fiery Eye” – UK paperback edition, Published by Armada, 1971?
07c
“The Fiery Eye” – UK paperback edition, Published by Armada, 1981
08a
“Silver Spider” – UK paperback edition, Published by Armada, 1988
08b
“Silver Spider” – UK paperback edition, Published by Armada, ?
08c
“Silver Spider” – UK paperback edition, Published by Armada, 1979
09a
“The Screaming Clock” – UK paperback edition, Published by Armada, 1988
09b
“The Screaming Clock” – UK paperback edition, Published by Armada, 1978/79
11a
“Talking Skull” – UK paperback edition, Published by Armada, 1979
11b
“Talking Skull” – UK paperback edition, Published by Armada, 1982
12a
“The Laughing Shadow” – UK paperback edition, Published by Armada, ?
12b
“The Laughing Shadow” – UK paperback edition, Published by Armada, 1973
13a
“The Crooked Cat” – UK paperback edition, Published by Armada, ?
13b
“The Crooked Cat” – UK paperback edition, Published by Armada, 1978
13c
“The Crooked Cat” – UK paperback edition, Published by Armada, 1987
14a
“Coughing Dragon” – UK paperback edition, Published by Armada, 1977
14b
“Coughing Dragon” – UK paperback edition, Published by Armada, 1989
14c
“Coughing Dragon” – UK paperback edition, Published by Armada, 1987
15a
“The Flaming Footprints” – UK paperback edition, Published by Armada, 1992
16a
“The Nervous Lion” – UK paperback edition, Published by Armada, 1978
16b
“The Nervous Lion” – UK paperback edition, Published by Armada, ?
17a
“The Singing Serpent” – UK paperback edition, Published by Armada, 1978
18a
“The Shrinking House” – UK paperback edition, Published by Armada, 1992
19a
“Phantom Lake”
– UK hardback 1st edition, Published by Collins, 1974
19b
“Phantom Lake”
– UK paperback edition, Published by Armada, 1976
20a
“Monster Mountain” – UK paperback edition, Published by Armada, 1977
21a
“The Haunted Mirror” – UK paperback edition, Published by Armada, 1978
22a
“Dead Man’s Riddle” – UK paperback edition, Published by Armada, 1982
22b
“Dead Mans Riddle” – UK paperback edition, Published by Armada, 1988
22c
“Dead Mans Riddle” – UK paperback edition, Published by Armada, 1979
23a
“The Invisible Dog” – UK paperback edition, Published by Armada, 1992
26a
“The Headless Horse” – UK paperback edition, Published by Armada, 1981
27a
“The Magic Circle” – UK paperback edition, Published by Armada, ?
28a
“The Deadly Double” – UK paperback edition, Published by Armada, ?
29a
“The Sinister Scarecrow” – UK paperback edition, Published by Armada, ?
34a
“The Wandering Caveman” – UK paperback edition, Published by Armada, 1985
36a
“The Missing Mermaid” – UK paperback edition, Published by Armada, 1989
39a
“The Trail of Terror” – UK paperback edition, Published by Armada, 1993
2in1a
“Ear for Danger, Hollywood Horror” – UK paperback edition, Published by Parragon,
1992
3in1a
“Green Ghost, Vanishing Treasure, Skeleton Island”
– UK paperback edition, Published by Armada, 1993
3in1b
“Vanishing Treasure, Phantom Lake, Dancing Devil”
– UK paperback edition, Published by Diamond Books, 1994 (Stories wrongly
credited to Franklin W. Dixon!)
3in1c
“Haunted Mirror, Wandering Caveman, Purple Pirate”
– UK paperback edition, Published by Diamond Books, 1994
3in1d
“The Laughing Shadow, The Headless Horse, The Sinister Scarecrow”
– UK paperback edition, Published by Diamond books, 1994
3in1e
“The Magic Circle, The Scar-Faced Beggar, The Blazing Cliffs”
– UK paperback edition, Published by Armada, 1992
3in1f
“The Missing Mermaid, The Two-Toed Pigeon, The Smashing Glass”
– UK paperback edition, Published by Armada, 1988