Chasing EvilBook - 2012
As Tanner, Gwen, and their Beasts Firepos and Gulkien continue their search for the pieces of the Mask of Death, they face betrayal from Gwen's twin brother Geffen, and discover a new Beast-Rider pair--Castor and Nera.
Publisher: New York : Scholastic Press, 
Branch Call Number: J FICTION BLADE ADAM
Characteristics: 170 p. ; 22 cm