The Creature Anthology is presented withe entries in alphabetical order. Each entry has a name, a description (often brief), and a common "stat block" that includes Frequency, Number Appearing, Defensive Bonus, Movement, Habitat, Number of Attacks per Round, Damage per Attack, Level, % in Lair, Size, Intelligence, Experience Points, and Treasure Type. Supplementary materials include a treasure table, encounter tables for various environments, and in index.
The DOC, RTF, and HTML versions have identical content and vary only in formatting issues and file type. The DOC version was released as a self-extracting archive (EXE).
Note the 3rd Edition of the Creature Anthology was "published" again with the release date of the 5th Edition; but aside from one date on the copyright page these two publications are identical.