Spending the summer in his grandfather's rundown town, ten-year-old Ben meets an adventurous local girl and together they learn that the town's veterinarian runs a secret hospital for imaginary creatures.

With the help of her veterinarian grandmother and the other volunteers at the Wild at Heart Animal Clinic, eleven-year-old Maggie rescues sick puppies from an illegal puppy mill.

A mother dog tries to teach her pup how to bark, and is surprised at why he wasn't learning.

"When Travis discovers an abandoned baby skunk, he can't help but bring it home and take care of it. Stinky, as Travis names him, settles in pretty well. But when Travis discovers Stinky's litter-mate, Winky, who is in need of some help, things get complicated around the Tate house."--

After Amy and her motner move to the farm, eleven-year-old Charlie tries his hardest to keep life quiet and organized for himself and his veterinarian mother, amid the unexpected, newfound chaos.

At Animal Ark, Mandy Hope helps her parents treat animals of all shapes and sizes. Even outside the clinic, Mandy can't resist helping any animal in need.

"Little Doctor is known far and wide as a crocodile whisperer. The animals come from near and far to have her treat them. And as she does, she admires their thick armor and enormous jaws. She wishes that she could be as strong and fearless! One day Little Doctor receives a visit from the largest crocodile of all, Big Mean. But surprisingly--and frustratingly--Big Mean won't open her mouth to tell Little Doctor what's wrong. Instead, mouth clamped...

When Yasmin discovers an injured cat she immediately slips into the role of vet to care for the animal with the assistance of her grandmother, while her grandfather tries to contact the owner.