Dr Gareth Moore

A -Z Puzzle Book: Have You Got the Knowledge?

Collins Books, A-Z maps, et al.

Puzzle Adventure Stories: The Treasure Hunt

Dr Gareth Moore i Moreno Chiacchiera

The Ordnance Survey Kids' Adventure Book

Ordnance Survey Leisure Limited i Dr Gareth Moore

Sherlock Holmes Compendium of Mysterious Puzzles

Dr Gareth Moore, Sidney Paget, et al.