Dorling Kindersley.

This encyclopedia has over 1000 pages of information, more than 12,000 photographs and is arranged alphabetically for easy access.

A self-study English grammar guide using innovative visual learning methods to make even the trickiest points easy to understand, for the approximately 1 million adults in the United States learning English as a second language.

This advanced course targets experienced English speakers looking to hone their existing skills. Learn English at the highest level by reinforcing key language skills, grammar rules, and vocabulary with listening, speaking, reading, and writing exercises. At this level the content is more challenging, covering subjects such as family life, business, and news and media.