Riordanverse Universe
The Riordanverse brings Greek, Roman, Egyptian, and Norse mythology into a shared modern world. Percy Jackson and the Olympians is the easiest starting route; Heroes of Olympus and Trials of Apollo continue its Greek and Roman story, while Kane Chronicles and Magnus Chase follow other groups whose paths sometimes cross. Companion collections and crossovers add optional context rather than prerequisites.
Series in Riordanverse
The Kane Chronicles
Carter and Sadie Kane discover their family’s connection to the Egyptian House of Life and become involved in a struggle among ancient gods. Read The Red Pyramid, The Throne of Fire, and The Serpent’s Shadow in order. This trilogy runs alongside the wider Riordanverse and later meets Percy Jackson in the optional Demigods and Magicians crossover.
View Series →The Trials of Apollo
After Zeus strips Apollo of his immortality, he must survive on Earth as the teenager Lester Papadopoulos and restore several ancient oracles. The five-book sequence continues directly from The Heroes of Olympus. Camp Jupiter Classified is optional in-world companion material; it is not required to follow the main plot.
View Series →Magnus Chase and the Gods of Asgard
Magnus Chase, a homeless Boston teenager and cousin of Annabeth Chase, discovers his place among the Norse gods and the warriors of Hotel Valhalla. Read the three novels in publication order. The short-story collection 9 from the Nine Worlds follows the trilogy as optional companion fiction.
View Series →The Nico di Angelo Adventures
These co-written novels follow Nico di Angelo and Will Solace after their journeys with Percy Jackson and the other demigods. Start with The Sun and the Star, written by Rick Riordan and Mark Oshiro, then continue with The Court of the Dead. They extend the Riordanverse and assume familiarity with The Heroes of Olympus and Trials of Apollo.
View Series →Camp Half-Blood
This new Riordanverse series returns to Camp Half-Blood between Percy Jackson’s quests, following new demigods as they discover the camp’s dangerous forbidden places. The Wild Zone is the first book, co-written by Rick Riordan and Annabelle Oh. It opens a new path for readers and is not a prerequisite for the original Percy Jackson sequence.
View Series →Percy Jackson and the Olympians
Percy Jackson begins as an ordinary, frequently expelled schoolboy and discovers he is the son of Poseidon. Read the original five-book arc first, then the later senior-year quests, The Chalice of the Gods and Wrath of the Triple Goddess. The Heroes of Olympus follows next in the wider story; the publication-order guide marks companion material as optional.
View Series →The Heroes of Olympus
This five-book sequel brings Greek and Roman demigods together around the Prophecy of Seven. Read The Lost Hero through The Blood of Olympus in publication order; Percy Jackson provides useful background, and The Demigod Diaries is optional companion fiction that adds episodes around the main sequence.
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