Pet Rescue Club too Big to run

Zach's mom has a new patient--a giant dog named Maxi who has been helping her owner train for a marathon. Maxi's knees can't handle all that running and now she needs an expensive operation! Time for the kids in the Pet Rescue Club to help! Together they find a way to help Maxi. When Janey starts a blog where people can share cute pet photos and stories she never imagined she'd receive a heartbreaking photo of a skinny abandoned dog. She calls on her friends Lolli  Zach and Adam to help - and that's just the start! When these animal-loving fourth graders discover how many animals need help in their suburban hometown they can't just sit by and do nothing...