"Join the Club Book 1" is for low-intermediate to intermediate students and is structured to help them quickly internalize over 135 of the most common and useful English idioms and expressions. "Join the Club Book 2" is for high-intermediate to advanced students and used the same easy to follow procedure to teach 120 more useful expressions. Features include student-centered activities, integrated skills, index/glossary, and chapter review. "Join the Club's" audio program provides snippets of conversations that elicit the expressions in use and decide whether they have been used correctly.