Bandler helped publisher Robert S. Spitzer (of Science and Behavior Books, Inc.) edit
The Gestalt Approach (1973) based on a manuscript by gestalt therapist
Fritz Perls (who had died in 1970). He also assisted with checking transcripts for
Eye Witness to Therapy (1973). According to Spitzer, "[Bandler] came out of it talking and acting like Fritz Perls." While a student at UCSC, Bandler also led a
Gestalt therapy group.
John Grinder, a professor at the University, said to Bandler that he could explain almost all the questions and comments Bandler made using
transformational grammar. Grinder's specialty was in linguistics. Together, they created what they called a
therapist training group. This was the basis for their first book,
The Structure of Magic (1975). Bandler and Grinder claim to have later codified some of the foundational models for
neuro-linguistic programming in part by studying the methods of
Milton Erickson and
Virginia Satir. ==Murder trial and acquittal==