With a print run of 1,933 copies, it was the first book from Shasta Publishers. The bibliography is nearly complete and lists over 5,000 titles published prior to 1949. The books are listed by author and indexed by title. Willy Ley described it as "indispensable to librarians, book dealers, and especially antiquarians."[1]
Chalker, Jack L.; Mark Owings (1998). The Science-Fantasy Publishers: A Bibliographic History, 1923-1998. Westminster, MD and Baltimore: Mirage Press, Ltd. pp. 248, 261, 592.