C
Challenger: The Adventure MachineClueFinders
Codemaster
The Constance Morley Histories
D
Doctor Who Quiz BooksF
Fantasy QuestbookFunfax Puzzle Adventure
G
Get-a-Clue Picture MysteriesGhostwriter
J
John Speir's Puzzle MastersL
LabyrinthonLego Action Maze Books
Lego Libro-Quiz Interattivo
Lego Puzzle Storybooks
M
Mathnet CasebooksMiscellaneous Works by Andrea Angiolino
Miscellaneous Works by Christopher Manson
Miscellaneous Works by Don Shaw
Miscellaneous Works by Gillian Clements
Miscellaneous Works by Kit Williams
Miscellaneous Works by Mike Wilks
Miscellaneous Works by Paul Adshead
Miscellaneous Works by R. Wayne Schmittberger
Miscellaneous Works by Simon Palmer
Miscellaneous Works by Torquemada [Edward Powys Mathers]
Misteri Usborne
N
Nancy Drew Puzzle BooksP
Puzzle Adventure StoriesPuzzle Storybooks
PuzzleQuest
S
Scooby-Doo! Case FilesSigue la pista
Sweet Agatha
T
The Maze of GamesTimmi Tobbson Solve-Them-Yourself Mysteries Adventures
U
Usborne Advanced Puzzle AdventuresUsborne Brainbenders
Usborne Fantasy Adventures
Usborne Fantasy Adventures
Usborne First Steps to Reading
Usborne Puzzle Adventures
Usborne Science Puzzle Adventures
Usborne Solve It Yourself
Usborne Spinechillers
Usborne Superpuzzles
Usborne Whodunnits
Usborne Young Puzzle Adventures
Usborne Young Puzzles