New York: Random House , 1966. First edition. Hardcover. 8vo. , 11-159,  pp. Pictorial hardcover with wraparound illustration, blue graveyard endpapers and pastdowns, lists to The Secret of Skeleton Island on rear cover, no ISBN on copyright page. A nice example of book five in the Alfred Hitchcock and the Three Investigators series. Very Good+. Item #00008712
Very Good+ with some light wear to the extremities and a brief gift inscritption ("Christmas "66" From: Mom & Dad") on the half-title page.