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Brain Teasers for Puzzlers - Gareth Moore (Paperback) 15-04-2021
Buster Brain Games Secret Code Games for Clever Kids (R): More than 100 secret agent and spy puzzles to boost your brainpower - Dr Gareth Moore; Chris Dickason (Paperback) 01-09-2022
How to Think - Creative Thinking Puzzles: Brain-training puzzles to improve innovative thought - Charles Phillips (Paperback) 08-07-2021
How to Think - Logical Thinking Puzzles: Brain-training puzzles to improve analysis and decision-making - Charles Phillips (Paperback) 08-07-2021
How to Think - Tactical Thinking Puzzles: Brain-training puzzles to help you see the bigger picture - Charles Phillips (Paperback) 08-07-2021
KGB Killer Puzzles Dossier: Puzzles Inspired by the World's Deadliest Espionage Organisation - Tim Dedopulos (Hardback) 04-10-2018
Mensa's Most Difficult Pattern Puzzles: Unleash your creative problem-solving to crack 200 demanding brainteasers - Tim Dedopulos; Mensa Ltd (Paperback) 15-04-2021
So You Think You've Got Problems?: Surprising and rewarding puzzles to sharpen your mind - Alex Bellos (Paperback) 02-07-2020
The GCHQ Puzzle Book: Perfect for anyone who likes a good headscratcher - GCHQ (Paperback) 05-09-2024