Don't doctor up Grimm's tales into cute picture books! Coombs messily removed powerful themes that make this a human story--the disdain of his father, and further broken promises by the first king and his daughter. All this is part of a universal theme about feeling invited/uninvited, about inhospitable people. Without that theme, the story loses its soul. Nickle's charming illustrations are sugar coating on bitter medicine.
The half-human half-animal is a monster motif from ever, but what horror would the story of Frankenstein be without the deeper sorrow of not belonging.
Go take a look at an authentic version in Ashliman's collection at Pitt: