Group sum Sudoku is a great variant of the standard Sudoku puzzle that introduces a mathematical element to the solving process. The good news is there's something for everyone, and usually a whole series to explore if you're the type to go through puzzle books quickly!

Sudoku puzzles for children on 6x6 grids: each puzzle has a time-target: can you beat it and show your Sudoku-solving skills? There are ciphers and substitution codes, as well as numeracy and literacy tests – plus hints for when you, inevitably, find yourself stuck. Therefore you'll need to think carefully about where a word can go by considering the impact it would have on the rest of the grid. Relax and colour to bring the page to life, using your choice of colours from pastels to vibrant shades. From the creators of the bestselling Brain Games for Clever Kids, this puzzle book is ideal for crossword enthusiasts.

As with all the other puzzle types on this page, there are ten codewords in our mixed puzzle book for adults. Note - Based on feedback we have updated both the Arrowwords so that all the words intersect, and the Kriss Kross puzzles to show the letter counts. The Natural History Puzzle Book will appeal to those who are interested in both brain-teasers and science, covering topics including dinosaurs, space, human evolution and the oceans. There are huge benefits to solving puzzles - studies have shown that engaging in brain training can improve your mood, lower stress levels and improve your concentration. Do you sometimes find yourself in the waiting room, whether at the dentist's, doctor's or elsewhere, with little to do other than twiddle your thumbs or aimlessly scroll the internet?

You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice. Jigsaw Sudoku is a fun variant of the standard Sudoku puzzle, however it can be a little tricky on the eye to remember or see easily which square is in each jigsaw region. The book is split into quizzes on a range of topics from Africa to country silhouettes, and from flags to US States and much more besides. Based on the BBC TV quiz of the same name, with a mix of games from the series and new ones created especially for this book, there’s sure to be something you and your family will enjoy – and it’s suitable for all ages, too.

By using the Web site, you confirm that you have read, understood, and agreed to be bound by the Terms and Conditions. Word wheels are a great way to test your vocabulary and whilst a simple puzzle, they are enduringly popular.

The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products. We hope you'll love this collection and enjoy the wonderful animal creations that you make by literally just joining the dots! It contains 50 crosswords and 50 Sudoku puzzles, so you can have a go at a word puzzle and then have a go at a number/logic puzzle, and so on, as you work your way through the book. This simple puzzle type has a huge number of fans who enjoy a range of anagram-style puzzles, whether it be a game show such as countdown or wordwheels and other popular anagram-based puzzles in newspapers and magazines.Anagram crosswords are a crossword variant in which you are given the answers to every word to be placed in the grid in advance! In 2002, World of Books Group was founded on an ethos to do good, protect the planet and support charities by enabling more goods to be reused. Can you solve the anagrams and find the six-letter answer word for each puzzle within the time given?