Each book contains six exams: five past exams and one check test. I made copies and used them, so there are no markings. However, please forgive any oversights. 2020 Audio can be listened to via CD. The CD's plastic sleeve is torn and has been repaired with tape. There are stains on the inside cover and the cover of the separate test booklet. 2025 The specifications have changed, and CDs are no longer included. Audio can be listened to via app or download (the deadline is written as the end of July 2027). There is a fold on the corner of the cover. I would like to sell them as a set of two books.