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The true origins of my latest mystery: Killer on the Kelvin Explorer

I recently asked Mum to please dig out the family photo albums. Her task: to find train-related snaps from my childhood. She certainly did not disappoint!

  • Nostalgic nineties photos featuring heritage railway trains.
  • Nostalgic nineties photos featuring heritage railway trains.
  • Nostalgic nineties photos featuring train birthday cakes.
  • Nostalgic nineties photos featuring train picture books.
  • Nostalgic nineties photos featuring knitted jumpers with trains and a wooden toy train.
  • A recent train selfie with author G. B. Ralph and a mockup image of the book cover design for the latest Milverton Mystery, noting that it's coming out in September.

I should have known after heritage railway trips, train birthday cakes, my childhood reading material, handmade knits from Gran and handmade toys from Grandad, that I’d end up writing a train book.

Killer on the Kelvin Explorer release date: 9 September 2026.

Book cover image of Killer on the Kelvin Explorer (A Milverton Mystery) by author G. B. Ralph featuring a steam locomotive and the words "Kelvin Explorer". The release date of the book is shown below as 9th September 2026. Background image of railway tracks on a sunny day overlaid by an semi-transparent old map.

Addison Harper and Sergeant Jake Murphy are off to a shaky start with their new living situation. So, when Addison has the chance to get out of town and clear his head, he’s quick to climb aboard.

The day’s scenic railway journey features a powerful steam engine pulling lovingly restored heritage carriages. On the train, passengers enjoy dramatic landscapes and endless cups of tea. When it comes to driving Milverton’s tourism, Addison can see they’re already on the right track. Unfortunately, a death en route threatens to derail not only the day’s excursion but any future marketing efforts.

Passengers have been promised an unforgettable day out… and they’re going to get it.

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