Sinopsis de Grumpy Cat: A Grumpy Book. Internet sensation Grumpy Cats epic feline frown has inspired legions of devoted fans. Celebrating the grouch in everyone, the Grumpy Cat book teaches the fine art of grumpiness and includes enough bad attitude to cast a dark cloud over the whole world. Featuring brand new as well as classic photos, and including grump-inspiring activities and games, Grumpy Cat delivers unmatched, hilarious grumpiness that puts any bad mood in perspective.