Floramonde Series by Pamela Freeman

A power-hungry wizard has let loose the Wild Magic, and every creature in its path is transformed. An earl becomes a cat, a coachman turns into a ferret, the chancellor is suddenly a hobgoblin, even King Max begins to change. Will Floramonde ever be the same again? Princess Betony and Prince Basil are determined to find the wizard and rescue their country, braving wolves, giants and other dangers along the way. But they need help, and it comes from a suprising source.from Amazon