What is fairest of them all?

"Fairest of Them All" is a phrase commonly associated with the fairy tale "Snow White," which originates from the Brothers Grimm's collection of German folklore. In the story, it is used by the Evil Queen when she consults her magic mirror to ask who the fairest in the land is. The phrase has since become iconic and is often used in various adaptations of the tale.

In addition to its literary origins, "Fairest of Them All" can refer to various cultural works, such as books, films, or songs inspired by the Snow White story or its themes. For example, there are novels and music albums that play on the idea of beauty, rivalry, or fantasy elements depicted in the original story.

If you had a specific book, film, or other work in mind with this title, please provide more details so I can offer more precise information.