When the McGraths arrive at the mouth of the Ganges River, Jody spots an unusual Irrawaddy dolphin, but when she hears poachers are in the area and doesn't see the dolphin again, she fears it has been taken.

While helping to set up a Santaland outside Walton Cottage Hospital, Mandy and James spot a stray Jack Russell terrier. They also befriend Charlie, a young patient, who desperately wants a dog for Christmas. Can they bring the two together?

Mandy uses her veterinary experience to cure a lop-eared rabbit's mystery illness.

When some kittens are born in Mandy's neighborhood that need extra care, Mandy tries to help them and their mothers.

When Mandy, James, and their friend John Hardy find a black kitten in a box of candy corn, they devise a Halloween plan to find the kitten a home.

"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. When Mandy's dad diagnoses an Old English sheepdog puppy as deaf, Mandy feels sorry for it. But it isn't until she finds another sheepdog puppy weak and abandoned that she and James begin to get suspicious. Could a local breeder be mistreating these poor puppies?"--P. [4] of cover.

When Amy loses her part in the school play after injuring her ankle, Amy's two friends, Mandy and James, decide to cheer her up by putting on a show with Amy's pet mouse in the starring role.

Mandy and James are distracted from Halloween planning when a local girl runs away from home with a stolen beagle puppy.

"Jody can't believe her dolphin voyage has begun. A whole world of discovery awaits her abord the Dolphin Dreamer. But an unexpected passenger threatens to spoil the trip of a lifetime. And when a sudden storm puts Jody's life in danger, who can she turn to for help?"--Cover [p.1].