Fourth edition of the best-selling Cambridge English: Advanced (CAE) course, updated to prepare for the 2015 revised exam. This Teacher´s Book includes teaching notes, answer key and background information corresponding to the 25 units of the Objective Advanced Fourth edition Student´s Book. The Teacher´s Resources CD-ROM includes 12 progress tests and unit-by-unit wordlists both with and without definitions. Complete Cambridge English: Advanced practice tests are available online.