It's hard to imagine a time when soy milk was only available by prescription, but this Borden's pamphlet for Mull-Soy makes it that much easier to in bold yellow, orange, lime green, and black. Many recipes and "Notes" to mothers and physicians as well as a composition breakdown. 1940s, 3.625 x 8.25 folded, 8.25 x 14.5 inches unfolded. Good condition with slight signs of age and light bends. Some staining on covers. Vibrant colors. "Highly Nutritious • Palatable"