New York: The University Society Inc., 1917. Hardcover. As. 4to. Green cloth boards with gold embossed titling to spine, "Nature Lovers Library" logo on lower right corner of the front board of each volume. Slight scuffing to covers from use, very clean within. Encyclopedic set on the natural world with both color and black and white illustrations. In original, rare wood shipping crate, emblazoned with "Nature Lovers Library. Six Volumes. Buckram" on ends. Lacking lid. Heavy set, will require additional shipping. Very Good.