Amazon.com: Empower Upper-intermediate/B2 Student's Book with Digital Pack ( Cambridge English Empower): 9781108961318: Doff, Adrian, Thaine, Craig, Puchta, Herbert, Stranks, Jeff, Lewis-Jones, Peter: Books
Amazon.com: Empower Pre-intermediate/B1 Student's Book with eBook (Cambridge English Empower): 9781108959568: Doff, Adrian, Thaine, Craig, Puchta, Herbert, Stranks, Jeff, Lewis-Jones, Peter, Burton, Graham: Books
Test your English Vocabulary in Use Upper-Intermediate: McCarthy, Michael, O'Dell, Felicity: 9780521665681: Amazon.com: Books
Amazon.com: Cambridge English Empower Pre-intermediate Student's Book with Online Assessment and Practice, and Online Workbook: 9781107466524: Doff, Adrian, Thaine, Craig, Puchta, Herbert, Stranks, Jeff, Lewis-Jones, Peter, Burton, Graham: Books
Amazon.com: Business Vocabulary in Use Elementary to Pre-intermediate with answers (Cambridge International Corpus): 9780521128278: Bill Mascull: Books
Cambridge English for Nursing Pre-intermediate Student's Book with Audio CD (Cambridge English For Series): 9780521141338: Medicine & Health Science Books @ Amazon.com