Tagus the Horse-Man: Series 1 Book 4 (Beast Quest) by Adam Blade (Author)
Avantia needs a hero. Under the spell of an evil wizard, the magical beasts that once protected the land are destroying it. Tagus the horse-man is terrorising the people and animals in the plains - can Tom stop him?
FERNO THE FIRE DRAGON, SEPRON THE SEA SERPENT, ARCTA THE MOUNTAIN GIANT, NANOOK THE SNOW MONSTER, EPOS THE FLAME BIRD