About Sheri L. Turrell Books by Sheri L. Turrell Getting Comfortable with Uncertainty for Teens 10 Tips to Overcome Anxiety, Fear, and Worry by (author) Juliana Negreiros & Katherine Martinez foreword by Sheri L. Turrell Ages 13 to 18 Grades 8 to 12 The Mindfulness and Acceptance Workbook for Teen Anxiety Activities to Help You Overcome Fears and Worries Using Acceptance and Commitment Therapy by (author) Sheri L. Turrell, Christopher McCurry & Mary Bell Ages 13 to 18 Grades 8 to 12