New Harbinger offers one of the most comprehensive collections of ACT materials available—ranging from in-depth professional manuals and training guides to accessible self-help workbooks designed for personal growth.
ACBS members enjoy exclusive discounts on both print and digital books when purchased through this link.
If you’re an ACT therapist, these publications can enhance your practice by offering clients meaningful self-work between sessions—your built-in bibliotherapy toolkit. Looking for resources you can share directly with clients? Explore our curated collection of public self-help materials here.
If you are an ACT trainer, you’ll find a wealth of professional titles ideal for teaching, mentoring, and developing your trainees’ skills.