The Secret of the Old Mill (Hardy Boys #3)
New York: Grosset and Dunlap, 1962. Hardcover_pictorial boards. 5"x7.63" 174 pgs. #8903 Two boys looking thru cracks in floor. B&W illustrated paste downs. Spine straight, binding tight, pages clean and bright. Not x-library. PON on ffep. Scrape to ffep. Frontispiece: "Joe had to act fast to avoid being crushed beneath.....