Call to War (The Chronicles of Avantia)

Tanner, his Beast Firepos, and his companions are on a perilous mission to save the land of Avantia from the evil warlord Derthsin. They must locate the pieces of a powerful artifact called the Mask of Death, before it is too late. Avantia now burns in the fires of war. Derthsin's evil armies swarm the land, and Tanner and the Chosen Riders are all that stand in their way. Will they encounter more Beasts on their treacherous journey to the Southern Caves? And will the dark forces that seek control of Tanner prevent the Riders from fulfilling their destiny...?