We’ve created this handy guide to help you navigate the various worlds in the different series by Rick Riordan. Rick is the master of world-building: the skill of creating believable fantasy worlds, with all the lore, rules of operation and specific functionality within which the characters must operate. Rick has created worlds for ancient gods, pharoahs, norse gods and the one-and-only Percy Jackson. Do you know your half-bloods from your gods, and your monsters from your titans? Explore all the series from Rick Riordan, summarised in this handy chart.