Here is a list of interesting books to improve English:
1. Ren & Martin High School English Grammar & Composition from S.Chand
It is the most recommended grammar book with extensive exercises. Every high school student should read and practice to improve Grammatical knowledge. Which covers almost all topics beginning from parts of speech, tenses, prepositions, letter writing.

2. ROGET'S THESAURUS
This is a dictionary, but unlike the normal dictionary you can also find Synonyms and Antonyms unlike a normal dictionary. Its very useful if you want to find Antonyms. It has 2,50,000 words.
3. Word Power Made Easy by Norman Lewis
Word Power Made Easy has a unique approach of studying etymology. It helps us to identify the root of the word from which it came. So that it is to understand easily even if there is a new word. It also has a patten for mastering the pronunciation system for each word. As per the cover says it helps to improve our earning power and social contacts. It has Pre-assessments and post assessments to test yourself before and after every chapter.

4. Oxford Advanced Learners
This is the best dictionary with extensive list of words and phonetic representation of every word with an example usage of the word in a sentence. This approach helps us to easily remember the word because of the context. And we also get to know the usage of the word.

1. Ren & Martin High School English Grammar & Composition from S.Chand
It is the most recommended grammar book with extensive exercises. Every high school student should read and practice to improve Grammatical knowledge. Which covers almost all topics beginning from parts of speech, tenses, prepositions, letter writing.

2. ROGET'S THESAURUS
This is a dictionary, but unlike the normal dictionary you can also find Synonyms and Antonyms unlike a normal dictionary. Its very useful if you want to find Antonyms. It has 2,50,000 words.

3. Word Power Made Easy by Norman Lewis
Word Power Made Easy has a unique approach of studying etymology. It helps us to identify the root of the word from which it came. So that it is to understand easily even if there is a new word. It also has a patten for mastering the pronunciation system for each word. As per the cover says it helps to improve our earning power and social contacts. It has Pre-assessments and post assessments to test yourself before and after every chapter.

4. Oxford Advanced Learners
This is the best dictionary with extensive list of words and phonetic representation of every word with an example usage of the word in a sentence. This approach helps us to easily remember the word because of the context. And we also get to know the usage of the word.
