[1] It is presented in the form of a bestiary and was published in 2002 for the 5th edition of the Hero System.
Each of the skills common to animals is described in terms of its application to the various life forms.
Therefore, there are templates for size modification, elemental forms, undead, venomous creatures, disease carriers, mutations, and so forth.
Each creature description is about a page in length, and contains a complete listing of the characteristics, powers, skills, and disadvantages, including the point cost for each.
The creatures listed include a number that are as intelligent as man (or more so), and can possess their own intricate cultures.