Every beginning level English student needs a few important resources. Each student should have a course book, a learner's dictionary, a grammar and exercise book and a vocabulary building resource. This guide provides recommendations on top quality resources for each of these categories for both learners of American English and learners of British English.
The classic in North American English beginning level grammar books. Betty Schrampfer Azar provides clear grammar instruction while allowing for lots of exercises to practice what you have learnt.
This is the classic British English self-study reference and practice English grammar guide which provides detailed but precise grammar help immediately followed by exercises. This grammar reference is designed for elementary students of English.
A picture is worth a thousand words! This illustrated dictionary has more than 3,700 words selected for English learners. This is the best and most fun way to go about building vocabulary in my opinion.
Series of 6 books ranging from beginner to advanced. This series has been designed specifically for ESL students and provides useful tools such as a word chart that gives all the forms of each base word studied. Each word is defined with examples provided and followed with exercises.
For lower level learners, the Oxford Elementary Learner's Dictionary of English provides key English learning resources especially suited for British English classes.
"American English Pronunciation Program" by Barbara Raifsnider is designed for English speakers who have very strong accents. It focuses on the principle sounds in spoken American English and is therefore best suitable to beginning to intermediate level students who need to make basic improvements in their pronunciation skills.