MENSA LOGIC PUZZLES More than 150 brainteasers

Test your powers of deduction against more than 200 devilishly difficult Killer Sudoku puzzles.

This full-colour book guides you through eight chapters, each focussed on a different aspect of your brain's ability to concentrate, from creativity and problem-solving to lateral and logical thinking.

Every chapter takes you through the science behind how your brain works, gives instruction on how to improve your concentration skills.

This full-colour book guides you through eight chapters, each focussed on your memory, how it works, and how you can both maintain and improve it.

From tricks of visualisation and linking to mnemonics and mind palaces, as you progress your memorization skills will improve in both the short and long-term.