Murder at Somerset House (A Wrexford & Sloane Mystery Book 9)

Name: Murder at Somerset House (A Wrexford & Sloane Mystery Book 9)
Price: 3.99 USD
Availability: InStock
Rating: 4.5 (1835 reviews)
Author: Andrea Penrose

by Andrea Penrose

Mystery Thriller Historical Fiction

4.5 (1,835)

4.5 stars from 1,835 reviews. Top 82% of Mystery Thriller books we track.

$3.99KU83% off peak

Last checked: Jun 25, 2026

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Price history: $5.09 – $22.95

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Price range: $5.09 – $22.95

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Perfect for you if...

You enjoy historical mysteries with genuine detective work, where the protagonists follow evidence rather than stumble into solutions.
You're drawn to unconventional couples navigating both crime-solving and parenthood, balancing intellectual partnership with domestic life.
You appreciate Regency settings that go beyond ballrooms to explore science, politics, and the real stakes of the era.

Maybe not for you if...

You prefer standalone mysteries over series. This is book nine, and whilst each case is self-contained, character relationships and family dynamics build across the sequence.
You want cosy mysteries with low stakes. This one escalates from a single murder to international financial conspiracy with genuine personal consequences.
You dislike plots involving children as active participants in investigations. The young boys here play a meaningful role in uncovering clues.

About this book

In Regency London, Lord Wrexford and Charlotte investigate a murder within the Royal Society when an old acquaintance asks for their help. A man has been accused of killing a fellow member at Somerset House, the Society's London headquarters. As Wrexford and Charlotte probe the case with assistance from the three young boys in their care, they uncover a more complex conspiracy involving science, money, and politics. A mysterious technical innovation threatens to create a crisis across Europe with serious implications for London's financial markets. Simultaneously, a shocking secret from the past emerges that brings profound change to Wrexford and Charlotte's family, testing their bonds of loyalty and trust.

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Price History

Kindle price over time. Green zones = periods when the book was free.

$5.09 – $22.95

Currently on sale at $3.99 — 83% off peak. Price has dropped 3 times over the last 17 months. Goes on sale roughly every 249 days. Typically stays discounted for 101 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

Currently around #26K in the Kindle store — a steady mid-list seller.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

Currently 4.5★ from 1,835 reviews

Gaining approximately 247 new reviews per month. Reader interest is accelerating. Rating has dipped slightly from 5.0 to 4.5.

Sale Prediction

Actual Predicted

This book is currently discounted at $3.99. It typically returns to around $22.95.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.