Tess and Tilly Books in Order

Mail carrier Tess and her dog Tilly investigate when a close friend is murdered in White Eagle, Montana. Working with a reclusive local genius, they seek answers while the small town prepares for its Christmas festival.

Jordan Westlake inherits Harrington House, a long-empty Montana mansion burdened by stories of tragedy and family curses. His decision to restore it brings an unexpected discovery: a real skeleton hidden in a closet within the notorious home.

A Mother's Day card addressed to a woman who died months earlier leads Tess and Bree to search for her estranged child. With Tony's help, Tess investigates a family mystery while troubling questions surround her mother's new relationship.

A Thanksgiving visit to a mountain cabin gives Tess a chance to investigate her supposedly dead father's past. A suspicious death draws the family into another mystery as Tess and Tony question people who once knew him.

Tess encounters a fatal vehicle accident while delivering Valentine's mail, drawing her into a mystery tied to the past. With Tony's assistance, she investigates a killing and a missing person while helping prepare the shelter's holiday adoption event.

Tess suspects a fatal shooting is connected to her father's disappearance, but another death before the Santa parade disrupts her theory. With Christmas festivities approaching, she helps Mike investigate a case growing more complicated with each victim.

Tess and Brady discover a skeleton behind a false attic wall while preparing a haunted-house fundraiser for the animal shelter. Subsequent mishaps leave Tess fearing an angry spirit, and her investigation with Tony uncovers another body.

Tess meets an elderly woman who has waited every Saint Patrick's Day for a lover who vanished sixty years earlier. With Tony and the woman's granddaughter, she investigates the broken promise while another murder unsettles White Eagle.

A generous donation gives Tess and Brady a chance to expand their animal shelter and training facilities. Meanwhile, an email apparently from Tess's father asks Tony to locate someone, raising doubts about who is really seeking that information.

Tess and Tony plan a secret wedding while family visits and a meeting with her father complicate their preparations. Starting a new job brings more changes, and a search-and-rescue mission uncovers partial remains belonging to two men.

Temporarily covering her old mail route, Tess learns her father has entrusted Mike with a baby who needs protection. She recruits Tony to help conceal the child and find her mother while another murder unsettles their Montana town.

Tess agrees to appear in an advertisement for White Eagle's haunted house and discovers its strange happenings may be more than staged entertainment. Investigating the property leads her toward unanswered questions about its former resident, Doctor Franktown.

Tony takes Tess to Scotland to install security at a castle troubled by strange lights and missing objects. A sighting of Tess's father in a local pub suggests there is more to the disturbance than supposed ghosts.

While preparing White Eagle's Spring Fling, Tess receives a journal documenting a secret society's investigations into fifteen murders. Its last surviving member asks her to solve the one case they couldn't close before his time runs out.

Tess and Tony juggle White Eagle's Christmas festival, mail deliveries and work on a new video game. An unexpected visitor's request redirects their holiday plans toward buried secrets and challenges that neither anticipated amid the seasonal preparations.

Tess publicly challenges an official who moves Fourth of July fireworks dangerously close to an animal shelter. When he dies hours later, she becomes the prime suspect and must uncover the killer while juggling preparations for a family celebration.

Tess and Tony organize White Eagle’s Halloween festivities, including televised sessions led by ghost therapists. Already overwhelmed by personal changes and festival demands, Tess must investigate a murder before the celebration falls apart and a killer escapes.

At a Lake Tahoe video game convention, Tess and Zoe discover a rival developer dead beyond the marked ski trails. While their husbands present new games, the amateur sleuths investigate professional grudges and corporate secrets among the attendees.

Between Christmas charity work, preschool duties, and caring for a rescued kitten, Tess has little time to spare. A fatal house fire initially seems accidental, but suspicious remarks lead her to investigate whether someone deliberately killed a local man.

A controversial newcomer is murdered on White Eagle’s courthouse steps during preparations for the Halloween Festival. With the investigation stalled, Police Chief Mike Thomas asks his sister Tess to return to sleuthing and go undercover.