Oxford Bookworms Factfiles Stage 1 400 Headwords Washington DC - Oxford Bookworms Factfiles Author:John Escott This full-color series presents nonfiction topics about interesting places and subjects. Each title features color photographs and a glossary to help with vocabulary comprehension. Exercises and suggestions for project work are also included. The books are graded at 400-to 1,400-word vocabulary levels. Audio "CDs or "Cassettes are available for ... more »select titles.« less