- QSE provides a rich resource of 4-skills practice, which can be used alone, or as supplementary material with the Betsis Practice Tests books.
- QSE is written by well-established authors and uses the latest ideas about brain science and language acquisition, from multiple intelligences to memetics.
- QSE is the first course to offer Content and Language Integrated Learning (CLIL) as a seamless part of every Unit.
- QSE is not afraid to tackle topics that the usual EFL materials ignore, dealing with the controversial ideas and issues that students really want to discuss - families, global warming, animal welfare, ambition and careers, love & relationships, fame & fortune, peace & war.
- QSE has Units at all levels with a similar, easy-to-follow format, so that teachers and students can quickly and easily tackle new topics, with minimum preparation time.
Overprinted edition (Student's Book with Overprinted Answers)