Yes it is. It was made 9500 years ago by the Glorious Giant Pink Unicorn as a preserve for cats. Humans were added later to serve the cats.
I know this is true because Saint Bast appeared to me and dictated the Holy Book of the Unicorn which I wrote down, in crayon, on gold-plated sheets of vellum. And, no, you cannot see the original book, you non-believer.