This is a hardback copy of 'Riders of the Purple Sage' by Zane Grey, published by Grosset & Dunlap, New York. The copyright page dates the novel to 1912 by Harper & Brothers, but this is a later reprint by Grosset & Dunlap. The book features a gray cloth cover with blue lettering.
The condition shows noticeable surface wear, spotting, and some binding wear, as seen in the photos. The contents page and title page are intact and legible. No dust jacket is present. See photos for Measurements if taken.