Rick Riordan/ John Rocco (ILT)
(10)
Rick Riordan/ Jesse Bernstein (NRT)
(8)
Rick Riordan/ Robert Venditti/ Orpheus Collar (ILT)/ Dod? Antoine (ILT)
(5)
Rick Riordan/ Guy Stauber (ILT)
(4)
Rick Riordan/ Joshua Swanson (NRT)
(3)
Jon Scieszka/ Greg Ruth (ILT)/ Rick Riordan/ Tom Angleberger/ D. J. Machale
(2)
Rick Riordan/ Keith Robinson (ILT)
(2)
Rick Riordan/ Orpheus Collar
(2)
Rick Riordan/ Robert Venditti/ Attila Futaki (ILT)/ Tamas Gaspar (ILT)
(2)
Rick Riordan/ Robert Venditti/ Nathan Powell (ILT)
(2)
Rick Riordan; Mark Oshiro
(2)
Rick Riordan; Mark Oshiro
(2)
Gordon Korman/ Jude Watson/ Peter Lerangis/ Patrick Carman/ Rick Riordan
(1)
Padraic Colum/ Willy Pogany (ILT)/ Rick Riordan (INT)
(1)
Rick Riordan (EDT)/ Leah Wilson (EDT)
(1)