Sunny the pug has lives a perfectly comfortable life. That is, until her owner brings home a new dog, a puppy named Rosy to be Sunny's "sister". Like all younger siblings, Rosy messes with Sunny's belongings. But when Rosy loses Sunny's favorite toy, she has gone too far. Chastened, Rosy goes off to find it. Can Sunny save both her little sister and toy before it's too late? Easy to understand text paired with simple black-and-white drawings makes for a fun, cute read.