Reading About the Other World

Harry Potter - J. K. Rowling Percy Jackson and the Olympians - Rick Riordan
Gen
G
Reading About the Other World
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, Nymphadora Tonks, Albus Dumbledore, Luna Lovegood, Hermione Granger & Harry Potter & Ron Weasley, Percy Jackson, Annabeth Chase (Percy Jackson), Rachel Elizabeth Dare, Nico di Angelo, Sirius Black & Remus Lupin, Annabeth Chase/Percy Jackson, Grover Underwood, Chiron (Percy Jackson), Arthur Weasley/Molly Weasley, Thalia Grace, Fred Weasley & George Weasley, Fawkes (Harry Potter), Hermione Granger & Harry Potter & Ginny Weasley & Ron Weasley, Annabeth Chase & Thalia Grace & Percy Jackson & Grover Underwood
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)
Summary
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.
Note
Disclaimer: I don’t own PJO or HP.I noticed that there weren’t many stories like this, so I just needed to make one. I’ve been wanting to read a fanfic like this but ‘if you don’t find it, then make it.’ – Me, your amazing author.I made that up right now. Enough about me, let’s start the story.

Chapters