IQ tests are now encountered in recruitment for the government, the armed forces, education, industry and commerce. "Test Your IQ" contains 400 IQ test questions written and compiled by IQ-test experts, complete with a guide to assessing individual performance. 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 recognizing the different types of question, readers can improve their test scores and increase their IQ rating. "Test your IQ" is invaluable to those who have to take an IQ test, but it's also great fun for anyone who likes to stretch their mind for their own entertainment. Author Information: Ken Russell and Philip Carter are IQ test experts who are continually devising new IQ tests and puzzles. They have produced over 60 books covering all aspects of testing, crosswords, puzzles and reasoning. These include "The Times Book of IQ Tests" (Books 1 to 5). Philip Carter is also the author of "IQ & Psychometric Tests" and "The IQ & Psychometric Test Workbook", all published by Kogan Page.