The Guardians of River-Earth - M E Champey - Bog

Tolkin, the wizard and his horse Seacliff encounter the evil spirits of the Friendly, Unfriendly Witch named Vendella. In deciding to put an end to her evil reign, Tolkin and his horse venture on a quest, gathering up an alliance of brave travelers to defeat the witch's witty troll sidekick, army of Mecha-Wolves, and menacing creature hiding in the Tombs of Dunesday. So come join these courageous heroes on this legendary adventure as they try to put an end to the witch's evil plan to annihilate the realms of River-Earth.