Inner Wellness
Summary of Jay Earley’s Book Self-Therapy
Contains a step-by-step guide to self-contained IFS.
Integral Guide
https://integralguide.com/About
“ The Integral Guide is a choose-your-own-adventure field guide that I began writing to aid my personal trauma recovery and self-development and to feel empowered and better-equipped to lead an enriched life.”
Loving Awakening
https://lovingawakening.net/ A Practical Guide to Embodied Spirituality and Healing with Metta, IFS, the Imaginal and Community
Two free books. Author says in the FAQ that she offers services if you contact her; I assume these are paid services. I have not read the books and can't vouch for them.