I've been reading a lot of quick starts for games recently. These are the short 30-page-ish versions of games that are designed to entice you to buy a full-priced product. I generally find these lacking in one way or another, which can keep me from buying the game altogether. The Gamemaster (GM) section of a book is really important to me. There are many games where I skip it altogether, but in others I really enjoy the rules. Some of my favorite books for GM sections are the Cypher System Rulebook by Monte Cook Games, Blades in the Dark by One-Seven Design and Fate Core from Evil Hat Productions. They all have good examples and advice for Gamemasters to prepare their games. I've found that there are a few things that are really important to me to understand a game. 1. A well-explained task resolution system. I feel like most games need a single primary mechanic, which needs to be well-explained with examples and commentary. Fantasy Flight Games' Star Wars series does