to continue the series no one ends a book series with just one book so he made the sea of monsters and 3 more after
Rick Riordan.
It is "The Sea of Monsters"
14.99
Rick Riordan only wrote the first 39 Clues book.
rick riordan
percy jackson and the olympians
Rick riordan
Rick Riordan
Yes - released on April 30, 2008
Rick Riordan first wrote his first book in 2005. The book, "The Lightning Thief," is the first novel in his popular "Percy Jackson & the Olympians" series.
Yes they have it's called Sea of Monsters you should read it sometime.
The Maze of Bones was written by Rick Riordan under the pseudonym of Jude Watson for the popular children's book series, The 39 Clues.