Clever. . . [a] conversation starter on acceptance and openness.
Yoon’s art is simple but effective, with the wide-eyed calf and their heavily tabbed research book set against clean white backgrounds, and when the unicorns finally make their appearance, they bring a riot of color and glitter. . . a reminder that you don’t need sparkles to be fabulous (though rainbow poop does help).
—The Bulletin of the Center for Children’s Books
Just when you think all the unicorn stories have been done, Yoon comes along with this gem. . . . White-page backgrounds amplify Yoon’s simple but highly expressive and hilarious illustrations, and kids will cackle throughout Cow’s dramatic emotional journey.