87 books • 13 series
The Brain Fitness Workout (Testing)
1000 Word Puzzles
"Mensa" Logic Puzzles
"Mensa" - Challenge Your Intelligence
IQ and Personality Tests (assess Your Creativity, Aptitude)
Test Your EQ (Testing)
400 Mind-bending IQ Puzzles
Exploring the South West Coast Path (Halsgrove Discover S.)
Challenging IQ Tests
Test and Assess Your Brain Quotient (Testing)
A Pocket Book of Word Games
1000 IQ Puzzles
IQ Gym
IQ Tests (Little Giant Encyclopedia)
The Book of IQ Tests
Mind Teasers
Maximize Your IQ
IQ Tests to Keep You Sharp
The Puzzle Addict′s Book of Codes
Mensa Brain Bafflers (Official Mensa Puzzle Book)
Boost Your Brainpower
Mensa B: Logic Brainteasers
The Ultimate Puzzle Challenge
Boost Your Interview Test Performance