PROGRESSIVE OVERLOAD — The Discipline of Building Strength. An 87-page practical guide to controlled resistance training, measurable progression, establishing a top weight, building repeatable working sets and respecting recovery. Learn a structured progression method: ramp up, establish a controlled top weight, reduce to an approximately 70% working zone, build the repetitions and increase the resistance when performance demonstrates readiness. By Calvin McPherson. Digital PDF edition; no physical book will be shipped. General educational information only; not individual medical or training advice.