Burgess, Mark
The Emerald ConspiracyDixon, Sarah
The Vanishing VillageDolby, Karen
Danger at Demon's CoveThe Ghost in the Mirror
The Incredible Dinosaur Expedition
The Usborne Book of Puzzle Adventures
Fowler, Mark
The Emerald ConspiracyThe Invisible Spy
Gedye, Jane
Castle of IntrigueHaw, Brenda
The Ghost in the MirrorThe Haunted Tower
The Incredible Dinosaur Expedition
The Intergalactic Bus Trip
Search for the Sunken City
Time Train to Ancient Rome
The Usborne Book of Puzzle Adventures
Leigh, Susannah
The Haunted TowerJourney to the Lost Temple
Mounter, Paddy
Agent Arthur on the Stormy SeasAgent Arthur's Arctic Adventure
Agent Arthur's Desert Challenge
Agent Arthur's Jungle Journey
Newton, Martin
The Intergalactic Bus TripOliver, Martin
Agent Arthur on the Stormy SeasAgent Arthur's Arctic Adventure
Agent Arthur's Desert Challenge
Agent Arthur's Jungle Journey
The Intergalactic Bus Trip
Search for the Sunken City
Round, Graham
The Curse of the Lost IdolDanger at Demon's Cove
Escape from Blood Castle
Murder on the Midnight Plane
Usborne Book of Solve Your Own Mystery Stories
Sims, Lesley
The Dark Dark KnightVoyage to the Edge of the World
Somper, Justin
The Pyramid PlotStewart, Paul
Castle of IntrigueTyler, Jenny
Escape from Blood CastleUsborne Book of Solve Your Own Mystery Stories
Waters, Gaby
The Curse of the Lost IdolMurder on the Midnight Plane
Time Train to Ancient Rome
Usborne Book of Solve Your Own Mystery Stories
Wingham, Peter
The Dark Dark KnightThe Invisible Spy
The Pyramid Plot
Voyage to the Edge of the World