Goodman Jonathan. Ignite the Fire: The Secrets to Building a Successful Personal Training Career

2nd ed. — Personal Trainer Development Center, 2015. — 185 p. — ASIN: B00THJN2Z0.Repeatedly called one of the "best books for personal trainers", it provides a clear road map teaching you how to become a personal trainer, to getting a personal trainer certification, to building your career from the bottom up so you can build a clientele, your reputation, and income.