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Incoming Resources
- Secret coders, Gene Yuen Lang & Mike Holmes
- Lateral thinking puzzlers, Paul Sloane
- Train Your Brain, Brain Teasers to Sharpen Your Mind
- Brain games, brain teasers, logic tests, and puzzles to exercise your mind, Allen D. Bragdon
- It's only logical
- Discover your IQ potential, Ken Russell and Philip Carter
- Brain Games, Brain Teasers, Logic Tests, and Puzzles to Exercise Your Mind
- Brain teasers, 211 logic puzzles, lateral thinking games, mondrians, memorization games, and cryptomath problems to exercise your mind and keep you sharp 'til you're 100, Ian Livingstone & Jamie Thompson