Your Favorite Worlds – GURPSified! GURPS is a fun, flexible system, useful in every kind of genre. Now, GURPS Adaptations takes that toolkit and shows you how to build your favorite fictional settings. With six examples ranging from the Odyssey to Dracula, GURPS Adaptations will guide you and your players as you tell new stories in worlds you already know.
4.5 A comprehensive guide for adapting non-RPG media into RPG form - not only for GURPS. The middle is a bit weak while trying to check all the boxes concerning equipment and such without really going into a whole of detail. Apart from that an excellent resource for GMs and to some degree even players.
Also I learned from it that the unity of time, place and action was only misattributed to Aristotle by 16th/17th century playwrights. Not sure what that says about the quality of my education, but kudos anyway.