Home › Authors › David G. Martin 👤 David G. Martin b. 1939 ยท 6 books Biography David George Martin is an author. He wrote books about military aspects of the American Civil War. Books by David G. Martin Counseling & therapy skills Counseling & therapy skills 2011 Clinical Practice with Adolescents 2002 Basics of clinical practice 1998 First steps in the art of intervention 1995 Counseling and Therapy Skills 1983 Learning-based client-centered therapy 1972