Shrek! is a fantasy comedy picture book published in 1990. Written and illustrated by American book writer and cartoonist William Steig, it is about a repugnant, green ogre who leaves home to see the world and ends up marrying an ugly princess. The book was generally well-received upon publication, with critics praising the illustrations, originality, and writing. Critics have also described Shrek as an antihero and noted the book's themes of satisfaction and self-esteem. The book served as the basis for the film Shrek by DreamWorks Animation. Source: Wikipedia (en)