As a therapist, I have used this workbook with both adolescent and adult clients, and have found it helpful for both populations. The book includes some very useful handouts that can be used during session or for homework in between sessions. Most of the handouts are for the client, and there are few for parents of the adolescent client. Most of them can be used with adults, and some can be used with younger children who have higher reading levels. I love how the book came with a CD-rom that allows you to open and print each handout; it allows you to delete and add things to the handout. I would recommend this to any therapist that likes to incorporate handouts and activities into their work with clients.