The Complete Guide to Humans1) by T.Shnuck is a series of mementos create by the Shnuck. They come in the form of chapters, starting with the introduction. Each of the memento's “use” give out a few snippets for each chapters.

List Of Chapters So Far

You hold a few loose pages which contain the introduction chapter to the Complete Guide to Humans by T.Shnuck.

You hold a few loose pages on which the Complete Guide to Humans by T.Shnuck - Chapter 1: Care and Maintenance is written.

You hold a copy of the Complete Guide to Humans by T.Shnuck - Chapter 2: Anatomy and Variations.

1)
Those are the things with tails, right?