Katherine Applegate

Bob sets out on a dangerous journey in search of his long-lost sister with the help of his two best friends, Ivan and Ruby. As a hurricane approaches and time is running out, Bob finds courage he never knew he had and learns the true meaning of friendship and family.

Fearing she may be the last of her kind, Byx sets off to find a safe haven and to see if the legends of hidden dairnes are true.

"Dogtown is a shelter for stray dogs, misbehaving dogs, and discarded robot dogs, whose owners have outgrown them. Chance, a real dog, has been in Dogtown since her owners unwittingly left her with irresponsible dog-sitters who skipped town. Metal Head is a robot dog who dreams of being back in a real home. And Mouse is a mouse who has the run of Dogtown, pilfering kibble, and performing clever feats to protect the dogs he loves. When Chance and Metal...

It was bad when Jake found out his brother was one of them. A Human-Controller. A slave. But that was nothing compared to this. When the Animorphs decide to visit the Yeerks' new base, it seems simple. But then they get caught and Jake falls -- just for a moment -- into the Yeerk pool. Now they're out, and his friends can't see it. To them he's just like normal. But Jake is screaming for help. His worst fear has finally come true. He's become the...

Doggo, an older dog, learns how to welcome and accept a young puppy into the household.

A trilogy conclusion finds Byx and her friends discovering that the same extinction facing the dairnes is threatening all living species, prompting the team to recruit creatures throughout the world into their revolution.

Kek, an African refugee, is confronted by many strange things at the Minneapolis home of his aunt and cousin, as well as in his fifth grade classroom, and longs for his missing mother, but finds comfort in the company of a cow and her owner.