'A' and 'The' Explained: A learner's guide to definite and indefinite articlesHow to Use 'A' and 'The' is a reference and practice book for students of English who want to understand more about 'a an', 'the', and 'no article'. It provides a comprehensive collection of usage guidelines as well as clear and detailed explanations of a large number of exceptions and difficult cases. It is aimed at the upper intermediate to advanced students, but will also benefit intermediate students, and is ideal for both self study and classroom