Books written by Harold Gale

Mensa Kids: Train Your Brain Puzzle Book: Brain-Scrambling Challenges

The levels get harder as the book progresses and as kids improve their puzzle skills. All the answers are included at the back of the book and the different types of challenges will test all areas of puzzle-solving.
Brain-scrambling Challenges

Designed by three puzzle-book pros and Mensa members, this book is packed with questions that test kids' brains to the limit...and show them that problem solving = a lot of fun!
Train Your Brain: Brain-Bending Challenges - Intermediate

Designed by three puzzle-book pros and long-time Mensa workers, this brain-bending book is jam packed with almost 100 pages of puzzles--from number stumpers and visual teasers to verbal tests.
Mind-melting Conundrums

Designed by three puzzle-book pros and Mensa members, Mind-Melting Conundrums is brimming with almost 100 pages of number stumpers, logic problems, and verbal tests.
Train Your Brain: Mind-Twisting Puzzles - Beginner

Designed by three puzzle-book pros and long-time Mensa workers, this mind-twisting book is jam packed with almost 100 pages of puzzles--from number stumpers and visual teasers to verbal tests.
Train Your Brain: Super Tricky Teasers - Expert

Designed by three puzzle-book pros and long-time Mensa workers, this super-tricky book is jam packed with almost 100 pages of puzzles--from number stumpers and visual teasers to verbal tests.
Mensa Boost Your IQ: Hundreds of Challenging Puzzles

This title consists of a series of IQ tests, starting at a normal level and progressing thorugh to an advanced stage.
Mensa Number Puzzles

Collection of number puzzles. There are logic problems, mathematical puzzles, matrix problems, series puzzles, and many more besides.
Mensa Word Puzzles

Provides more than two hundred word puzzles, including grid problems, anagrams, logic problems, and word ladders.
Mensa Mighty Mind Benders Number Puzzles

Logic problems, mathematical puzzles, matrix problems and other puzzles are included in this book.
Boost Your IQ

This volume contains over 200 puzzles to increase a reader's brain power. A person's ability to tackle IQ tests, however, can be raised by dedicated practice. It should help to facilitate this process.
Word Puzzles

Anagrams, acrostics, matrix problems, series games, crosswords and other puzzles are included in this book.