Fluentzy: You know English... But can you speak it - fluently?

Fluentzy: The English Fluency Encyclopedia. A series of fluent English self-study books. For fluency building training in English. Helps you achieve a high level of spoken English fluency. Created by the father of fluency development training. World's first and most time-honoured system of fluency building. Since 1982. Teaches you fluency techniques.