This encyclopedia has over 1000 pages of information, more than 12,000 photographs and is arranged alphabetically for easy access. It has been compiled by a team of authors, editors, consultants and advisers and contains more than 5000 articles to help with school projects. Easy-to-use cross-referencing directs the reader smoothly from one topic to another. A 20,000 word index and fact-packed reference section are also included.