This text explains major areas of grammar in clear language and includes graded practice exercises which are marked according to difficulty. This edition is illustrated with cartoons and has been fully updated. Steve Elsworth has a BA and an MA in English from Lancaster University. He started his career teaching English in Turkey in 1977, a time which also included writing materials and working with Turkish Radio. On his return to the UK, Steve taught for two years at International House, London. He also spent time in Oran, Algeria, setting up an English programme at the Institute of Telecommunications, Steve has taught short-term courses in English for Accountancy at the European Business School, London. Steve Elsworth is the author of over twenty-five ELT titles, including material for the best-selling Longman courses, Discoveries and Strategies. In the mid-1980s, Steve took time off from ELT, writing for various newspapers on acid rain and air pollution. He worked as an environmental consultant for, among others, the Swedish and Canadian governments, and wrote two books on the environment during this period, Acid Rain (1984) and A Dictionary of the Environment (1990). Steve worked for Greenpeace as a Campaign Director from 1988 to 1992, a period which gave him extensive media experience. Steve is now a full-time writer of ELT materials. With Jim Rose, he is the successful author of Go! and Energy.