Puzzles category: 626 books

This new puzzle is like Sudoku that is used in many new books. But this one is different. It uses letters instead of numbers. It uses nine letters instead of nine numbers and the letters are not always the same. Each puzzle has a list of the nine letters that are being used in each puzzle. Just like...

Sangaku returns with more addictive number puzzles. Similar to the wildly popular Sudoku, the all new Sangaku requires players to fill out a pattern, shape, or grid using mathematical rules. These rules change according to the shape of the board, however, and the numbers presented in sets are also...

Puzzles come in a whole series of subjects and topics such as country, capitals, currencies, alphabets, shapes, vegetables, numbers, pets, transport, colours, sports, trees, mountains etc. Cryptogram puzzle is not only a good game for time passes but also a good exercise for the brain and a great...

Noted mathematician T. H. O'Beirne leads readers through a delightful maze of problems and solutions that are as artfully formed as any great poem or melody. Most require little mathematical knowledge, just careful logic and a playful imagination. Each chapter presents a series of thematically related...

Hours of fun with 50 logical thinking puzzles! Collect all 7 in the series. Great for home schooling and teachers too.

Have fun while you learn! Homeschoolers, teachers, just having fun! Logical thinking with pictures!  50 fun visual puzzles for hours of entertainment.

Volume seven in this series. Great for homeschoolers, teachers, just having fun! Logical thinking with pictures! Have fun and learn at the same time. 50 fun visual puzzles for hours of entertainment.

A collection of 25 (more) themed word search puzzles with accompanying facts and tidbits about each. Puzzles are in eBook format, not active content.

The PERFECT GIFT for anyone who loves a good head-scratcher - the original official puzzle book for the GCHQ team . . . Would GCHQ recruit you? Pit your wits against the people who cracked Enigma in the official puzzle book from Britain's secretive intelligence organisation . . . -------------------------------- Odd...

Follow in the footsteps of the Codebreakers and establish whether you have the puzzle solving skills needed to have worked at wartime Bletchley Park. This collection of challenging and satisfying IQ puzzles forms part of a series of books produced by the Bletchley Park Trust. During World War...

This collection of intriguing and challenging codebreaking puzzles forms part of a series of books produced by the Bletchley Park Trust. During World War Two, Bletchley Park was the workplace for thousands of people whose job it was to read the encrypted messages of its enemies. Towards the end of 1941,...

Bodybuilding for the Brain Flex the biggest muscle in your body and keep it running at optimum level. Scientists all over the world agree that leading a mentally stimulating life can increase brain power and the authors of this popular series have come up with another brain-boosting title that...

Volume six in this series. Full Colour! Suitable for homeschoolers, teachers, just having fun! Logical thinking with pictures! Have fun and learn at the same time. 50 fun visual puzzles for hours of entertainment.

A collection of 25 themed word search puzzles with accompanying facts and tidbits about each. Puzzles are in eBook format, not active content.