BIFF for Co-Parent Communication: Your Guide to Difficult Texts, Emails, and Social Media PostsĀ I am a disciple of Bill Eddy, LCSW, JD., having read everything he's written that applies to family lawyers and divorce practice. He is the author or co-author of 20 books. My favorite are: So, … [Read more...] about BIFF Book by Bill Eddy: Guide to Difficult Co-parent Texts, Emails and Media Posts / Parenting without Conflict Class