Daily Telegraph enigmatologist, Barry R. Clarke, presents over 120 fiendish problems that will test both your ingenuity and persistence. Between these covers are puzzles in geometry, arithmetic, and algebra (there is even a section for computer programmers).
Barry Clarke Book order






- 2023
- 2019
These challenging logic puzzles will reveal if you are a supergenius! Each one tests your mental reasoning skills in a different way.
- 2019
Brain-Stretching Logic Puzzles
- 96 pages
- 4 hours of reading
Are you ready to stretch your brain? This book will do just that, with a wide variety of logical puzzles to test your mental reasoning skills.
- 2015
Extreme Logic Puzzles
- 96 pages
- 4 hours of reading
Lets you test your wits with these tough logic puzzles. This title comes with tantalizing setups and lists of clues that lead your detective work. It features challenging conundrums that give you a setup and a list of clues, but you'll need every drop of logic to unravel the who, what, when, where and why.
- 2013
Mathematical Puzzles and Curiosities
- 176 pages
- 7 hours of reading
"I highly recommend this delightful book. It contains not only excellent puzzles, but also extremely interesting commentaries and anecdotes." — Raymond Smullyan, author of To Mock a MockingbirdThis intriguing mix of thought-provoking diversions offers articles on recreational math as well as puzzles involving logic, mathematics, and creativity. Many of these intellectual challenges first appeared in Barry R. Clarke's Daily Telegraph (UK) column, and none requires any background beyond basic algebra skills.Classic puzzles include original takes on The Monty Hall Problem, The Unexpected Hanging, and The Sleeping Beauty Problem. Entirely new offerings include The Shakespeare Puzzles and Finger Multiplication. A selection of engaging creativity puzzles provides ideal material for group problem-solving sessions. Some of the problems feature hints, and solutions to all of them appear at the end of the book.