'Factfiles' are a sub-series of 'Bookworms' with a non-fiction angle providing factual information for students on a wide variety of themes. Exercises at the back of each book check students' understanding of the text and provide ideas for activities and project work. Key features •All 'Oxford Bookworms Library' titles are fully illustrated. •The Activities section at the back of each title has been extended to include extra activities before, while and after reading, helping students to interact with the text and get the most out of each story. •Each title also has an Introduction, a Glossary of key topic words, and an informative 'About the Author' section.