In the first children's book written by critically acclaimed, New York Times-bestselling superstar Isabel Allende, Perla, the mighty dog, teaches her human brother, Nico Rico, how to use his superpowers to stand up to a bully. Perla is a mighty dog who has two superpowers--making people love her, and roaring like a lion. When she finds out her human brother, Nico Rico, is being bullied at school, she knows she has to step in! But what will Perla do?...