"The Happiness of the Roaring State" is an exciting novel created by the Swedish writer Fredrik Backman. This book tells the story of an immense friendship between a man named Ove and a cat named Oscar, which crosses the boundaries between humans and animals. Readers will find true love, warmth and humor in this work. The author successfully combined realism and fantasy, creating a unique world of heroes that may seem unusual at first glance, but their stories are remembered forever. "The Happiness of the Roaring State" is a profound book about the importance of communication, understanding and acceptance of difference. She inspires thoughts about how important it is to be open and kind in relations with others, even if it is different from what we are used to seeing in the world.