The Next Step by Jujimufu (Jujimufu, Spiral-Bound Paperback, 2020). 151 pages. Condition is Very Good; clean, firm binding, no writing or highlighting, no folded or torn pages. Jujimufu (aka Jon Call) is an influencer/bodybuilding guru. We welcome all offers and inquiries, more photos and information available upon request. Shipped securely and promptly with USPS Mail.