Susan Harris
Finding Your Core, 2005 (4 reviews)
FitPrime Crunch Time, 2003 (8 reviews)
FitPrime Floor Burn, 2004 (5 reviews)
The Firm Parts: 5 Day Stretch, 1993 (5 reviews)
The Firm Parts: Floor Legs, 2000 (13 reviews)
The Firm Parts: Standing Legs, 1993 (29 reviews)
The Firm Parts: Tough Aerobic Mix, 1996 (13 reviews)
The Firm Parts: Tough Aerobic Mix II (aka Not-so-Tough Aerobic Mix), 1996 (14 reviews)
The Firm: Abs & Pelvic Diaphragm (1 review)
The Firm: Aerobic Butt Busters, 2012 (3 reviews)
The Firm: Crosstrainers - The Tortoise, 1995 (24 reviews)
The Firm: Parts: 5 Day Abs, 1998 (17 reviews)
The Firm: Power Walk Easy, 1992 (1 review)
The Firm: Universal Cardio Trainer, 1999 (1 review)
The Firm: Upper Body, 1994 (12 reviews)
The Firm: Volume 1: Body Sculpting Basics, 1986 (33 reviews)
The Firm: Volume 4: Time-Crunch Workout, 1990 (22 reviews)