He urged readers to "buy the book."[1] Michael Schuyler, writing for Library Journal, took a more neutral stance, judging only that "[m]ost of these mysteries have been well documented elsewhere, and De Camp [sic] presents no revelations."[8] The book was also reviewed by Darrell Schweitzer in Science Fiction Review v. 10, issue 1 (Spring, 1981), p. 22.[3]