A Unique Shop for Old & Rare Books

Delve into the world of mathematical puzzles with "The Canterbury Puzzles and Other Curious Proble...

Boost your knowledge with "The Ultimate Bournvita Quiz Contest Book of Knowledge - Vol. 2" by Dere...

Test your knowledge with "The Ultimate Bournvita Quiz Contest Book of Knowledge - Vol. 1" by Derek O...

Prepare for psychometric tests with "How to Pass Professional Level Psychometric Tests" by Sam Al-Ja...

Challenge your mind with The Kakuro Challenge 1 by Alastair Chisholm. This book offers over 200 numb...

Test your knowledge of electronics and computer science with Electronics & Computer Quiz Book by...

Maths need not always be a drab, boring class in school or a tough paper in an exam! It can be fun...

Scientific Phenomena and Phenomenal Fun! Can you float a battleship in a bathtub? What would...

Measure your IQ - the index of intelligence relied upon by the academic world, the world of busine...

What your Personality Quotient? Are you Smarter than a College Freshman? How’s your ...

Take the IQ Challenge to discover just how intelligent you really are! Feature 100 problems, ...

The polyester clothes that you wear or the combustion of fuel in your vehicle or the glow of diamo...

Love sudoku? Give Kakuro a try! Kakuro is here – add together two digits apply a littl...

Get mentally fit! Exercising your brain on these incredible thinking puzzles! Tricky and cha...

These are only 2 of the 152 brain bogglers in this tantalizing, infuriatingly tricky book. The puzzl...

Combine two of everyone’s favourite pastimes – celeb-spotting and su doku – wit...

Su Doku -- the logic puzzle that took the world by storm and shows no sign of stopping.  Ka...

So you think you know baseball? Here’s your chance to find out. You make the call: 1.&...

Sudoku (pronounced as soo-dough-coo with the emphasis on the first syllable) is a simple number-base...

Su Doku (in Japanese Su = number; Doku = single) has been the most popular puzzle in Japan for the p...

This is the only ten-letter word that can be spelt just using the top row of letters of a keyboard? ...

Test your knowledge of the cosmos with The Astronomy Quiz Book by Patrick Moore, featuring hundreds ...