Test Your IQ is a book that contains 1000 IQ test questions written and compiled by the experts Ken Russell and Philip Carter. It comes complete with a guide to assessing individual performance and shows how working through the questions can help anyone improve their vocabulary and develop powers of calculation and logical reasoning. By studying the different types of test and recognising different types of question, you'll be able to improve your test score and increase your IQ rating. Not only is the book invaluable for those who have to take an IQ test, it's also great fun and provides hours of entertainment for those who like to stretch their minds.

The Pocket Puzzle Collection contains three amazing little books that will fit neatly into a handbag and provide a welcome distraction the next time you find yourself with some spare time on your hands. With books dedicated to Crosswords, Sudoku and Word Searches, these books have something for everyone and are great for providing a good mental workout. They also make a great little gift!

Johnny Ball's Ball of Confusion sees the beloved TV boffin and mathematician test you with a plethora of puzzles and brain-bending maths challenges. Containing both puzzles that have perplexed listeners to his daughter Zoe Ball's Radio 2 show and exciting new conundrums, some of the problems can be solved in the twinkling of an eye while others will keep you occupied for hours on end. A familiar face since bursting onto the scene as a comedian in the 60s, this is a quirky book that we think really adds up.

The Brain Builder Collection will help you exercise your brain for better performance. Each of Charles Phillips' books features 25 puzzles followed by a tutorial section and then another 25 puzzles to see how you've improved! Designed to improve your numeracy, encourage logical analysis and help you change the way you think and react, these simple exercises can really make a difference to your mental agility!

Find out whether you truly are a Corrie fanatic and test your family and friends with The Ultimate Unofficial Coronation Street Quiz Book, a fun-filled little hardback that is packed with trivia and brain-teasing questions. A great book for sharing and a superb gift idea for TV lovers who have grown up on a staple diet of the Wetherfield soap, Ed Cobham's handbook will separate the Corrie diehards from the occasional viewers!

Brain Games - Improve your Memory is the perfect book to help you rejuvenate your mind and boost your memory. The puzzles included in the book are a great choice for those who want a mental workout that's both fun and challenging at the same time. Research shows that working puzzles is a perfect way to keep your mind young, flexible and fit and this book offers four difficulty levels of challenges that will help to strengthen your brain and sharpen your mind every day.

Brain Games: Optical Illusions shows how seeing isn't always believing. The fascinating book contains a number of optical illusions that will make you find it hard to believe what your eyes are telling you. The book contains illusions dealing with perception, perceived length and how written language can be interpreted in more than one way. Objects that seem to be different sizes are really identical, pictures will move on the page, images that appear one way can become something else altogether - all these are featured in this brilliant book!

Brain Games: Sharpen your IQ will provide you with the perfect mental workout. The IQ puzzles contained in the book are fun and enjoyable and there are five difficulty levels to choose from. Among the wide variety of puzzles included in the book are patterns and sequences, maths puzzles, 'odd one outs' and mind stretchers. The puzzles focus on words, numbers, images and logic, making sure your mind gets a great varied workout every day. A great, fun way to strengthen your brain and gain some IQ points!