Traveling in the Scottish Highlands, Mandy rescues a Dales pony named Jewel who's been caught in a farmer's pumpkin patch. After meeting Jewel's owners, Mandy helps the pony overcome a fear that prevents her from competing in shows.

Mandy and James are having trouble giving a new mare all the attention she needs. When they hope a neighbor will help out, but refuses, they try to figure out why.

When a family of squirrels finds its way into Mandy's and James's school, theprincipal wants to put down poison. Can the kids help the squirrels to safetybefore it's too late?

"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.

Mandy finds a stowaway Corgi dog in a box of cupcakes she was to deliver to a manor house in order to promote a friend's bakery. But the dog has eaten most of the cupcakes and develops a severe reaction to the sugar. Now Mandy wonders if she can help save the dog at Animal Ark, the veterinary clinic owned by her parents.

When James and Mandy meet Mrs. Browne, the owner of a houseboat filled with cats, they try to help her stop Mr. Pengelly and other townspeople who think Mrs. Browne is cat crazy, from forcing her out of town.

When stuck-up Susan's stubbornness puts a horse in danger of his life, Mandy steps in to save him.

Who can save this pony?