The Unicorn and the Lake By (author): "Michael Hague, Mercer Mayer"Genres:Fantasy books Childrens books Picture Books Animals books Unicorns books ISBN0803793383ISBN139780803793385AsinThe Unicorn and the LakeOriginal titleThe Unicorn and the LakeWhen a serpent poisons the lake where all the animals drink, only the unicorn has the power to save them.