128 books • 17 series
Getting Better at IQ Tests
Complaints Against the Police
Test Your Word Power
The New IQ Test
Fire Over England
Word Puzzles
Beat the IQ Challenge (Test Your Intelligence S.)
Number Puzzles
Check Your IQ
Picture Puzzles
Young Genius Book of Brain Teasers (Test Your Intelligence S.)
Power Puzzles (Mensa puzzle books)
Baffling Brain Teasers (Ward Lock Test Your Intelligence S.)
Brain Busters (Test Your Intelligence S.)
E.E.C. Quiz Book
Altered States
Mensa Book of Enigmagrams
A First Mensa Puzzle Book
Classic Puzzles by the Mensa Puzzle Experts
A British Picture
IQ Test Book
The Mensa Challenge
Take the I. Q. Test (Test your intelligence)
Junior Mensa Puzzle Book