Rick Riordan has written a LOT of books ... With so many books, it's best to sort out where each book sits in the ...

While some series stand out as the best, every book written by Riordan offers something exciting and unique for readers. After writing Percy Jackson & The Olympians, Rick Riordan's career took off ...

Rick Riordan is an American author ... adapted into several movies and a TV series. Since then, Riordan has penned several ...