This is Grass - Yearbook of Agriculture 1948, United States Department of Agriculture, Washington 1948. This is a whopping 892 page book about everything you need to know about grass. The book covers permanent agriculture, soil/grass conservation, forage for livestock, the use and value of pastures, grass and rotations, the range, enemies of grass and more!
This hardcover book, with its wealth of information in 1948 was sold for...$2.00! Aside from some edge wear to the cover and age-yellowing pages, this book is still in great shape.