The Origins Award nominated Kobold Guide to Game Design gets a writeup over at the WIRED blogs. Here’s what they’re saying:
So, you want to break into RPG writing? Or maybe you just want to write better adventures for your players. Could be you aren’t a roleplayer and just love the worldbuilding aspect of writing fiction. If any or all of the above apply to you, there’s a book you need to read: The Kobold Guide to Game Design, Part 1: Adventures.
Take a look at the complete review.