The Ketty Jay is a fictional airship featured in the steampunk fantasy series by author Chris Wooding. It serves as the main setting for the adventures of a diverse crew, including a skilled pilot, a thief, and a mysterious woman. The ship is known for its speed and agility, making it a valuable asset in a world filled with air piracy and political intrigue. The crew of the Ketty Jay embarks on various missions, often facing challenges from rival airships and dangerous foes. Their journeys explore themes of friendship, loyalty, and the struggle for freedom in a richly imagined world. The series combines elements of adventure, humor, and fantasy, appealing to fans of the genre.