The first 20 pages or so have green marker and light pencil markings, as shown in the image. (I have erased all the pencil markings, but they are faintly visible.) The remaining pages have no writing, so I think it can be used without any problems. A vocabulary book of 3900 words specifically for IELTS preparation. - Title: IELTS Comprehensive Vocabulary 3900 - Author: Kevin Dunn - Contents: Includes words necessary for a score of 6.0-8.0 - Target: For Speaking, Writing, Listening, and Reading - Publisher: Natsume-sha Thank you for looking.