The idea of this book is to help build confidence with maths via a series of tests and puzzles. After a gentle 'warm-up' section, the puzzles and tests get progressively more challenging over the cou
Improve your mental well-being with this book of brand new mental tests in the IQ Workout Series... Despite the enormous capacity of the human brain, we only utilise on average two per cent of our po
Increase your powers of vocabulary, calculation and logical reasoning with this book of brand new IQ tests. Each timed test is approximately the same degree of difficulty and consists of a mixture of