A group of sato puppies, homeless dogs of various breeds from Puerto Rico, has arrived at the animal shelter, and second grade volunteer Suzannah immediately falls in love with one puppy, Paloma--but it is her job to get the puppy ready for adoption, a separation that could easily break her heart.

No pets are allowed in the apartment where Suzannah and her family live, so she volunteers at a local pet shelter and plays with the dogs and cats there--but when a child whose family is moving brings in her pet guinea pig, Jelly Bean, Suzannah promises that she will find him the perfect home.

Grace can't have a puppy of her own, but she loves walking the dogs at the local animal shelter; her favorite is Harry, a lively Jack Russell puppy. Harry loves going for walks with Grace, and soon the two are best friends. But then Harry is adopted and Grace is heartbroken. Grace knows she should be pleased that Harry the puppy has a home of his own, but she misses him terribly ... and poor Harry doesn't understand at all - where has his beloved...

When a nearby cat shelter is destroyed, Bad Kitty's family decides to foster some of the displaced kittens.

Long time residents of Mrs. Barrett's adoption shelter, Felipe (a grumpy cat) and Claudette (a hyperactive dog) seem like they will never find a forever home, and Felipe is convinced that it is all Claudette's fault--but when the dog is finally adopted, Felipe is so depressed that he hides on adoption day, and it turns out that Claudette also misses her friend.

In the four humorous level 1 readers included in this collection, Blippi volunteers at an animal shelter, drives an excavator, takes a walk around his neighborhood, and imagines he's a dinosaur.