Cosy British Mysteries
Penrose Investigations
Penrose Investigations is a series of standalone cosy mysteries by A. Penrose set in Seabrook, a fictional seaside town in the south of England, featuring retired detective Arthur Penrose, his grand-niece Alice and his cat Holmes.
In the window
Four mysteries on their way. Each one stands alone.
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Book 0Prequel
A Small Matter of a Missing Cat
Arthur Penrose spent thirty years catching criminals. He had rather hoped retirement would be quieter.
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Book 1Coming
Murder at Seabrook Pier
A locked cabinet. A missing music box. And a death the police called an accident.
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Book 2Coming
Grounds for Murder
Stolen tools. Prize plants destroyed. And a week of trouble the police called a civil matter.
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Book 3Coming
The Seabrook Regatta Sabotage
Regatta week, and somebody is sinking Seabrook’s chances one boat at a time.

From the classifieds
All mysteries great and small
Postcards from Seabrook, monthly, and a free prequel.
The advertisement sits near the bottom of the Chronicle’s classifieds, in a small box with a thin black border, and gives no address and no telephone number. A postcard is the next best thing: one a month from Seabrook, with word of each book before it reaches the shops. The first is posted in January 2027. The prequel, A Small Matter of a Missing Cat, is free to subscribers and will be sent as soon as it is ready.
The next postcard goes in the post on Thursday 7 January 2027. There is no password, now or ever.
The town
Seabrook
Seabrook is a small seaside town on the south coast of England, with a pier, a working harbour and a High Street. Arthur Penrose lives there, retired after thirty years in the police, and was talked back into work by a missing cat. These are his cases: the Penrose Investigations, standalone cosy mysteries by A. Penrose, with his grand-niece Alice doing the research and Holmes the cat on the windowsill.
The view this month, and what the Seabrook Chronicle has found to put on its front page.

This month
October
- The Autumn Fete, a Saturday in October
- Marlowe’s Autumn Auction, a Saturday in October
- Half-term, the last week of October
In the Chronicle
Who’s who
The residents
Some of the residents. They will have heard you were coming.
Arthur Penrose Retired police detective. Runs Penrose Investigations.
Alice Penrose Grand-niece of Arthur Penrose. Sixteen. Edits the school paper.
Beatrice Finch Has run Finch’s Tea Room for twenty-three years.
Lionel Harper Owner of Harper’s Bookshop for thirty-one years. Keeps a ledger.
Inspector Wainwright Inspector at Seabrook Police Station.
Colonel Withers Retired. Walks the pier every morning with his dog, Biscuit.
Alice’s blog
Notes from Seabrook
From Alice’s latest post
“That is how long it once took me to find a company at Companies House, according to Uncle Arthur, who was there.” Who is behind a company, in twelve seconds Saturday 29 November 2025

Holmes wisdom: The cat goes where the fish is and where the sun is. Any pattern beyond that is being supplied by the observer.
