For someone cautiously contemplating a career in Personal Training, this book is an excellent #1, about what’s really going on primer. The author started as a Personal Trainer, and has now moved beyond to Training Personal Trainers. His advice is from real life experience as a Trainer as opposed to an opinion about “what’s it really about” in the world of Personal Training. A great overview of the business, and an awesome resource book to re-read again, if you are that person thinking about dedicating your life to helping other’s in their quest of achieving and optimizing health through strengthening others bodies & changing their lifestyles.