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Armstrong and Oscar Cosy Mystery Books in Order

by T A WilliamsLiterature & Fiction

15 books so far (book 17 is due November 6, 2026). They run from Murder in Tuscany (2022) to Murder at Christmas (2026). Rated 4.6 across 838 listener reviews.

Next Armstrong and Oscar Cosy Mystery book

Murder in Bologna

Book 17 · out November 6, 2026 · preorder now

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Reading order

Murder in Tuscany

Book 1 2022 4.4 (169)

Let bestselling author T.A. Williams transport you to Tuscany in this gripping murder mystery A remote retreat… Nestled high in the Tuscan hills lies Villa Volpone, home to renowned crime writer Jonah Moore and his creative writing course.

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Murder in Chianti

Book 2 2023 4.6 (117)

An addictive cozy murder mystery from bestselling author T. A. Williams Murder in broad daylight… When millionaire magnate, Rex Hunter is found with his head bashed in on the eighth hole of his prestigious golf and country club in…

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Murder in Florence

Book 3 2023 4.5 (77)

A gripping murder mystery from bestselling author T.A. Williams A glamorous film star… Life as a private investigator in the suburbs of Florence isn’t always as glamorous as Dan Armstrong imagined it to be, until he is asked to investigate…

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Murder in Siena

Book 4 2023 4.4 (63)

Let bestselling author T.A. Williams transport you to Siena in this addictive murder mystery Perfect for fans of Lee Strauss and Beth Byers.

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Murder at the Matterhorn

Book 5 2023 4.6 (48)

Discover the brilliant cozy mystery from bestselling author T.A. Williams An old friend in need… Despite being retired from the police, Dan Armstrong is always on hand to help with solving a crime.

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Murder at the Leaning Tower

Book 6 2024 4.8 (51)

The next instalment in bestselling author T. A. Williams' Armstrong and Oscar cozy mystery series! A cozy crime series set in gorgeous Tuscany...It's murder in paradise! A secluded villa… When Dan Armstrong is asked to provide security at…

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Murder on the Italian Riviera

Book 7 2024 4.6 (52)

The next instalment in bestselling author T. A. Williams' Armstrong and Oscar cozy mystery series! Another cozy crime series set in gorgeous Tuscany...It's murder in paradise! An ex-con… Private investigator Dan Armstrong is no stranger to…

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Murder in Portofino

Book 8 2024 4.7 (39)

The next instalment in the gripping Armstrong and Oscar cozy mystery series...It's murder in paradise! A much-needed holiday… Dan Armstrong hasn’t done much retiring since moving to Tuscany, and with his new career as a successful private…

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Murder in Verona

Book 9 2024 4.6 (33)

The next instalment in the gripping Armstrong and Oscar cozy mystery series set in gorgeous Tuscany - it's murder in paradise! A tragic accident? When Italy’s greatest opera singer, Rodolfo Argento, is killed in a terrible car accident,…

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Murder in the Tuscan Hills

Book 10 2025 4.8 (40)

Let bestselling author T.A. Williams whisk you away to gorgeous Tuscany in this gripping murder mystery featuring a retired DCI and his loyal companion, Oscar.🐶 It really is murder in paradise! A picturesque scene… 🍇 As grape harvest…

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Murder at the Ponte Vecchio

Book 11 2025 4.8 (29)

Let bestselling author T.A. Williams whisk you away to gorgeous Tuscany in this cozy murder mystery featuring a retired DCI and his loyal companion, Oscar. 🐶 It really is murder in paradise! An iconic bridge...

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Murder on an Italian Island

Book 12 2025 4.8 (33)

Don't miss a BRAND NEW instalment in the page-turning Armstrong & Oscar Cozy Mystery series by bestselling author T.A. Williams.

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Murder in Venice

Book 13 2025 4.7 (33)

Let bestselling author T.A. Williams whisk you away to beautiful Venice in this cozy murder mystery featuring a retired DCI and his loyal companion, Oscar.

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Murder at the Duomo

Book 14 2026 4.7 (36)

Don't miss the BRAND NEW page-turning instalment in the brilliant, BESTSELLING Armstrong and Oscar Cozy Mystery series by T.A. Williams.

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Murder at Christmas

Book 16 2026 4.8 (18)

A festive gathering... Private investigator Dan Armstrong, accompanied by his wife and his canine sidekick, Oscar, are spending the days before Christmas in a luxurious Alpine chalet tucked away in a hidden valley.

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Murder in Bologna

Book 17 Out November 6, 2026

The next BRAND NEW instalment in the page-turning Armstrong & Oscar cozy mystery series from bestselling author T.A. Williams Bologna, Italy's happiest city - or is it? A grieving father asks Dan to uncover the truth behind the death of…

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About this reading order

Books are listed in the series' own numbering, which for Armstrong and Oscar Cosy Mystery is also the best order to read them in. Years are first publication where we could confirm it, and otherwise the first audiobook release.