"Dr. Lange's TRANSformative Mentoring Guidebook is a must read and must use resource for anyone who wants to build transgender/gender-diverse peer groups. We believe you will come to love her work as much as we do." - Cassandra Williamson, Transgender Rights Activist Grounded in established research and real-world practice, the TRANSformative Mentoring Guidebook is an essential resource for Peer Mentors providing support services to Gender Diverse and Transgender Adults, with featured content for Veteran Populations. Readers can expect practical suggestions for new Group Leaders and fresh ideas for those with years of experiencing leading peer support services. TRANSformative Mentoring includes easy-to-follow guidance for leading a peer group, reflection worksheets, templates, and over 25 session topics with handouts. The ideas, thoughts, and inspiration for the TRANSformative Mentoring Guidebook come from the experience and expertise of those who have real-world knowledge of Gender Diverse peer support services. Throughout the guidebook, readers will find quotes and citations from Contributing Voices (Gender Diverse individuals who have led and/or participated in peer services) and Public Figures (Gender Diverse and LGBTQ+ people who have a public platform).