The game uses the Prose Descriptive Qualities (PDQ) system — also used in Atomic Sock Monkey Press's Dead Inside, Truth & Justice, and Monkey, Ninja, Pirate, Robot, as well as the second edition of Ninja Burger — simplified to increase the flexibility and simplicity required for telling whimsical tales of magic and fairies.
The whole of the first chapter of The Zorcerer of Zo consists of a discussion and analysis of the fairy tales genre and how aspects of it can be implemented in an RPG.
Barrie's Neverland, and the lands of Florin and Guilder in William Goldman's The Princess Bride, as well as the more classic fairy tales of the Brothers Grimm, Charles Perrault, and Hans Christian Andersen.
Chapter 5 contains game master (GM) advice and techniques to foster a fairytale-like quality when creating and running stories.
The last two sections, as well as a substantial appendix, detail an example of campaign creation and play, from the initial pitch to the "Happily Ever After" conclusion.
These sections include GM and player comments that give insight on how a group can produce satisfying, in-genre stories.