This book focuses on the most commonly made grammar mistakes by non-native English speakers. This means that you can set yourself a reasonable target. So rather than trying to learn all English grammar, just concentrate on those issues that tend to be used the most frequently and/or tend to create the most misunderstandings.
Each chapter contains:

• Examples of typical mistakes.
  
• Examples of correct usage.
  
• Rules / explanations.
  
• A short exercise where you can immediately practise what you have learned.
  
• Additional exercises.
  
• Keys to all exercises.
  

The book also contains a Teachers Introduction.
Easy English! is a series of books to help you learn and revise your English with minimal effort. You can improve your English by

• reading texts in English that you might well normally read in your own language e.g. jokes, personality tests, lateral thinking games, wordsearches.
  
• doing short exercises to improve specific areas grammar and vocabulary, i.e. the areas that tend to lead to the most mistakes - the aim is just to focus on what you really need rather than overwhelming yourself with a mass of rules, many of which may have no practical daily value
  

Other books in the Easy English!series include:
     Wordsearches: Widen Your Vocabulary in English
     Test Your Personality: Have Fun and Learn Useful Phrases
     Word games, Riddles and Logic Tests: Tax Your Brain and Boost Your English
     Top 50 Grammar Mistakes: How to Avoid Them
     Top 50 Vocabulary Mistakes: How to Avoid Them