Trade Secrets of a Trade Prince is a short story by Gavin Jurgens-Fyhrie featured on the official site. It comes in the form of a biography/self-help book written by Jastor Gallywix, the Trade Prince of the Bilgewater Cartel.
The following texts were not published as short stories but rather published on the official Blizzard websites as blog posts split into several parts. However, they are included here for completeness' sake.