Annabeth Chase & Thalia Grace & Percy Jackson & Grover Underwood FanFiction

Reading About the Other World

Reading About the Other World

Gen
G
Updated
19.04.2025
Fandom
Harry Potter - J. K. Rowling Percy Jackson and the Olympians - Rick Riordan
Characters
Harry Potter, Remus Lupin, Sirius Black, Minerva McGonagall, Severus Snape, Ron Weasley, Hermione Granger, Ginny Weasley, Molly Weasley, Arthur Weasley, Fred Weasley, George Weasley,
Tags
Room of Requirement (Harry Potter) Harry Potter and Percy Jackson crossover Book 1: The Lightning Thief (Percy Jackson) Post-The Last Olympian (Percy Jackson)
In the war against Voldemort, Dumbledore asks his old friend to send some help. But, the Wizards must first learn about the other world to defeat Voldemort.