From the Introduction: What is this? A setting and rules companion to Lady Blackbird. Who is this for? Anyone who enjoys Lady Blackbird or other Tales from the Wild Blue Yonder. Anyone interested in fantasy steampunk adventure role-play. Why do you use this? Extending or augmenting the adventures of Lady Blackbird and associates. Having other exciting adventures in the Blue. Writing new chapters of Tales from the Wild Blue Yonder. Where and when do you use this? At the table, when you play. How do you use this? Find bits of setting detail to add into your game. As a GM: find ideas for obstacles, questions, and NPCs. As a player: find ideas for your character, places to go, and things to do. Ignore what you don't like and - probably - what contradicts what you do like.