Armstrong and Oscar Books in Order

Retired detective Dan Armstrong expects a quiet writing retreat at Villa Volpone in the Tuscan hills, until celebrity crime author Jonah Moore is stabbed with his own award. With only a handful of suspects, Dan and the local police must uncover who is lying.

An old colleague asks Dan to investigate a death at an isolated mountain campsite occupied by UFO enthusiasts. Rejecting claims of alien involvement, he and Oscar confront secretive suspects while trying to prevent another killing high above ordinary police support.

A wealthy country-club owner is murdered on a golf course in Chianti. Retired detective Dan Armstrong and his Labrador Oscar investigate a victim disliked by employees, lovers and family, confronting an abundance of motives and a killer who keeps evading them.

Attacks on a Hollywood film set bring Dan Armstrong into Florence’s glamorous movie world. Secrets among the cast and crew initially suggest intimidation, but a death turns the inquiry into a dangerous hunt for a killer who may target Dan next.

Dan and Anna’s countryside weekend is interrupted by a mutilated body at their hotel. Investigating whether an animal or human caused the death draws Dan into a deceptive case, with his loyal Labrador Oscar potentially facing more danger than the guests.

Dan’s holiday in Portofino brings him near a superyacht occupied by notorious British celebrities. An overheard quarrel and a body washed ashore undermine his plans for rest, sending him and Oscar into an inquiry among wealthy guests with hidden tensions.

An opera singer’s mother refuses to believe her son’s fatal car crash was accidental and hires Dan to investigate. In Verona, tangled romances and an unsettled inheritance create competing motives, while Oscar complicates their stay at an opera academy.

A former prisoner asks Dan to investigate a suspicious death at her father’s Italian Riviera retreat. Arriving at the naturist resort brings unexpected discomfort, but he and Oscar must look beyond the setting to uncover what the guests are concealing.

An elderly jeweler’s death on Florence’s Ponte Vecchio draws Dan into an investigation of hostile relatives and questionable business dealings. A fortune in precious stones and gold offers numerous motives, prompting him to set a trap that could endanger him.

A death outside a Tuscan winery first appears to be a hit-and-run, but evidence points to murder. Investigating a former rock star’s guests brings Dan among suspected gangsters and a familiar face whose presence threatens to complicate his future.

A movie legend invites Dan to Venice, raising hopes of promoting his own writing. Instead, he hosts a murder-mystery evening for Hollywood guests whose old grudges turn the gathering sinister, forcing him and Oscar to investigate beyond the planned entertainment.

Dan promises not to investigate during a holiday on Elba, until a suspicious death exposes his friend Virgilio’s connection to the victim. With old resentments emerging around their luxury hotel, he and Oscar must determine whether the death conceals a crime.

Dan, his wife and Oscar spend the days before Christmas at an Alpine chalet whose owner fears for his life. Family hostility and a sudden death unsettle the gathering as heavy snow closes in, making the search for answers increasingly urgent.

A wealthy arms dealer is found dead in Florence’s Duomo, interrupting Dan’s family holiday. At the victim’s villa, he and Commissario Virgilio encounter guarded suspects with hidden grievances, while Oscar helps them pursue the truth before another death occurs.

A grieving father hires Dan to investigate his art-student son’s death in Bologna. Beneath the mourners’ sorrow, Dan and Oscar uncover drug dealing, organized crime and fraud, facing another killing as they try to expose the people responsible.

A television celebrity asks Dan to investigate her billionaire uncle’s suspicious death at a castle near Rome. Another murder makes the case personal, while rumors of ghosts and collapsing alibis complicate his search for a killer among wealthy suspects.