"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.

Twelve-year-old Mandy and her veterinarian parents find themselves involved in the filming of a murder mystery in their village when the canine star of the film runs away.

Mandy Hope, visiting Baffin Island with her veterinarian parents, does her best to help when Nanook, the lead dog on the three-day sled trip she is taking with her dad, is injured in a fight with a wolf.

Mandy and James want to have a Christmas Party for all the pets in Welford ; then a wounded sheepdog turns up damping Mandy's holiday spirit.

While vacationing in London, Mandy and James are excited about seeing all the sights of the grand city, but a cute Labrador puppy proves to be the main attraction as they try to rescue it from the streets.

Hannah Burgess, a local woman who breeds and races huskies with the aid of her fiance, Michael, call on Animal Ark when one of her dogs goes into labor. Mandy is thrilled to help the husky give birth to six gorgeous puppies! But Hannah and Michael are overwhelmed trying to plan their wedding, care for the newborn litter, and train their dog team for the race of a lifetime. Tension mounts even further when their lead husky is injured. Will Mandy and...

While helping to set up a Santaland outside Walton Cottage Hospital, Mandy and James spot a stray Jack Russell terrier, and hatch a plan to match the puppy with Charlie, a young patient they have befriended who desperately wants a dog for Christmas.

Mandy's friend Chloe gets a very exciting Christmas present - a beautiful golden cocker spaniel puppy named Indy. Chloe really deserves something to cheer her up, since her little brother, Harvey, has been very sick. But Mandy isn't sure this is the best time for Chloe's family to have a new pet.

Mandy finds a stowaway Corgi in the van she is using to deliver cupcakes to promote a friend's bakery, but after eating some of the cupcakes the dog has become very ill, causing Mandy to rush him to her family's veterinary clinic, Animal Ark.