Orpheus Collar has written at least 11 books. Their most popular book is The Red Pyramid: The Graphic Novel with 21 saves with an average rating of 3.67⭐.
Adventurous, funny, and emotional are their most common moods.
Series
17 primary books27 released booksCamp Half-Blood Chronicles is a 41-book series with 17 primary works first released in 2005 with contributions by Rick Riordan, Terry Deary, and 6 others.
Series
1 primary bookThe Heroes of Olympus: The Graphic Novels is a 1-book series first released in 2017 with contributions by Rick Riordan.
Series
1 primary bookThe Kane Chronicles: The Graphic Novels is a 1-book series first released in 2012 with contributions by Rick Riordan.