Deirdre Quinn Nightingale Books in Order

Didi investigates a baffling illness among French Alpine goats on a New York dairy farm. When her friend, farmer Dick Obey, is found dead, the country veterinarian must solve a murder as well as a troubling animal mystery.

A trip to New York City to learn about cats turns deadly when Didi sees a nightclub owner gunned down by a bicycle messenger. With a famous club cat nearby, she gathers clues and risks becoming the killer's next target.

Didi becomes veterinarian on call for a small traveling circus after an elephant kills a dancer in front of a crowd. Believing the gentle animal has been framed, she investigates before it is blamed for murder.

Didi takes one evening off for champagne and thoroughbred racing, only to find two people shot in a promising filly's stall. Hired to investigate, she enters a world of horses, money, and suspects with dangerous motives.

Veterinarian Didi Nightingale finds that a new animal case comes with a murder investigation attached. As she follows clues through the people around her patients, the country doctor learns that someone is willing to kill to stay hidden.

A sick dairy cow brings Didi to a rundown farm, where her favorite veterinary-school professor is found dead. Soon she is a suspect in a millionaire's murder and must root through muddy clues to clear her own name.

Didi joins a research team tagging pregnant black bears in the northern Catskills, bringing her friend Rose along for the adventure. When the base camp caretaker is murdered, they realize the killer may be one of their own group.

When the organizer of the county's biggest fox hunt is killed, Didi Nightingale is drawn into the case. Animal politics, local grudges, and the hunt's secrets leave the country vet tracking a murderer through hostile territory.

Didi spots a mysterious runaway colt near Hillsbrook just before a young police officer is shot. The animal and the murder seem unrelated at first, but Didi uncovers a link that leads toward a vengeful killer.

A posh winter fundraiser and a missing lynx pull Didi Nightingale into another animal-linked murder investigation. As she looks beyond the polished charity event, she finds that someone will go to great lengths to keep the truth hidden.

At an Atlantic City conference, country veterinarian Didi Nightingale hopes to meet new clients in the horse-racing world. Instead, she finds a murdered horse doctor and becomes caught in a case of racing, betting, and old relationships.

When Didi's free-spirited friend Rose is found in a shallow grave beside her dogs, the veterinarian vows to find her killer. The search reveals that Rose may have lived a secret second life as a wanted arsonist.