Author(s): Sellers Publishing Staff; Grumpy Cat Limited Staff (Created by)

Stationery

With a perpetual frown and an attitude to match, Grumpy Cat is one little feline that has captured the heart of millions. She is the phenom that has launched a thousand memes, and even authored a book that teaches "the fine art of grumpiness" which includes enough bad attitude to cast a dark cloud over the whole world.