Jenna Grodzicki (Author), Mirka Hokkanen (Illustrator)
 
Harmony Humbolt had a colossal collection of Perfect Pets. To everyone else, they might just be stuffed animals, but to Harmony they are EVERYTHING. Harmony hates leaving them home when she goes to school, so she figures out how to share them with her friends . . . with the right rules in place to keep them safe. When her list of rules continues to grow, her friends don't want to play with her perfect pets or her.