Mulford (1883-1956) was the creator of Hopalong Cassidy and, one biographer claims, inventor of the series Western. 

This volume is hardcover, without dust jacket. The light brown covers feature printing in yellow and black: a yellow saddle and text on a black block at the top of the spine, with black text at the base of the spine, and a graphic of a black cactus and yellow horned skull in the lower left corner of the front cover. The inside text is crisp and clear and larger than standard (although the book was apparently not marketed as Large Print). 

337 pages. 19 cm.