Teach Yourself - Test Yourself
Better English brings a down-to-earth approach to the learning of English grammar, pronunciation and spelling, organized around the problems that most frequently trouble the average literature person.
Do you know where your weaknesses lie?
Do you know which word is correct?
Why does Van Gogh have such a tremendous (effect, effect) on you?
Do you know how to pronounce these words?
succinct - indict/genuine - guillotine/valet - bouquet quay - querulous/homage - herb/chasm - chic
Do you know which spelling is correct?
ecstasy of ecstacy, anoint or anoint, separate or separate, alright or all right, drunkenness or drunkenness
The people you meet from their impressions of you by the way you use your own language. You can achieve greater accuracy, clarity and persuasiveness once you understand the basic principles of English - once you know not only what is correct, but why it is correct.