If you are looking for a free summary or public domain content, consider searching for or checking your local library (some have interlibrary loans for art books). Respecting copyright supports the artists and foundations that keep this knowledge alive.
One of the most powerful lessons in Alla Prima II is the concept of "saying more with less." Schmid advocates for placing a brushstroke with intention and leaving it alone. This gives his work—and the work of his students—a fresh, energetic quality that is often lost in overworked paintings. richard schmid alla prima 2 pdf
: Revised sections on color, design, and drawing from life. If you are looking for a free summary