#RIP Grumpy Cat 2012-2019. In a world filled with inspirational know-it-alls and quotable blowhards, only one figure is indifferent enough to tell the cranky truth: Grumpy Cat. Following the success of her New York Times bestselling debut, everyone’s favorite disgruntled feline is back with this demotivational guide to everyday life, love, friendship, and more. Featuring many new photos of Grumpy Cat’s famous frown and packed with uninspiring observations, The Grumpy Guide to Life will help anyone get in touch with their inner grouch.