The fourth edition, released in 2005, is 1,624 pages long and indexes more than 165,000 comic books, including information about comic-book creators, story titles, publication dates, and cover prices. The book also includes pricing for comics, including indexes of actual auction results from auction sites including eBay. The Standard Catalog is also a repository for comic-book circulation figures, including sales histories from the U.S. Postal Service, Diamond Comic Distributors, Capital City Distribution, and the comics publishers themselves.