#T5578

On sale date from the publication date reported to the U.S. Copyright Office found in the Catalog of Copyright Entries, Third Series, Volume 27, Part 1, Number 2, Section 1, Books and Pamphlets, Including Serials and Contributions to Periodicals, July-December 1973. Copyright registration number A466167. Copyright was given to King Features Syndicate.

Number 451-T5578-075 is the Standard Book Number (SBN), the predecessor to the ISBN.