and adults develop their vocabulary through reading passages written at an appropriate level. The workbooks are organized around four themes: health, wildlife, the environment, and popular culture. Each lesson presents a non-fiction passage that relates to one of the four themes and a set of activities. The workbook activities can be completed independently, with a tutor, or with a group. Repetition is essential for vocabulary development; consequently; each lesson presents five activities that focus on the new words. Added features include crossword puzzles, word searches, and a glossary. The answer key is located at the back of each book.