 course books for English for specific purposes and English for academic purposes Key British English American English A1, B1, etc. Language levels from the common European framework of reference for languages International English OUP English for cabin crew B1 to B2 Medicine B2 to C1 English for legal professionals B1 to C1 Highly recommended Tourism A2 to B2 Cambridge Cambridge English for nursing A2 to B2 British English Introduction to international legal English B1 international English Flight path C1 to C2 International English Pearson Longman English for banking and finance Two levels, British English English for international tourism B1 to C1 English for the oil industry Two levels, British English Macmillan Aviation English Two levels, campaign Military English course Three levels English for law enforcement B1 to B2 Collins ELT Collins English for work Hotel and hospitality English A1 to A2 Collins English for work Workplace English A1 to A2 Compass publishing Travel and tourism English for restaurant workers Garnet education Takeoff Aviation industry A2 to B2 English for global industries Oil and gas B2 to C2 Technical English B1 to B2 English for academic purposes OUP Oxford EAP B1 to C1 Headway academic skills Four levels Delta publishing Collins academic skills B2 and higher ABAC's ELT publishers Academic listening and speaking 1 A2 Academic listening and speaking 2 B1 Cambridge English for academics B1 to B2, British English Skills and language for study B1 to C1 Cambridge academic English B1 to C1, international English Delta publishing Delta academic objectives Listening and note-taking skills B2 to C1 Delta academic objectives Reading skills B2 to C1 Delta academic objectives Writing skills B2 to C1 Garnet education English for academic study B2 to C2 English skills for university A1 to A2 English for specific academic purposes Series of books for specific university subjects B2 to C2