Mountain Pony & the Elkhorn Mystery.
New York: McGraw-Hill, Whittlesey House, 1950, 1st printing, nap; green cloth boards with pony and colt, pictorial map endpapers, brown and white jacket with yellow titles and descriptions of the other books in the series on the back; 8vo; 222 pp. Juvenile hardback. Fourth in the Mountain Pony series by.....