Murder, I Spy: A Cozy 1920s Historical Mystery (Dora and Rex 1920s Mysteries Book 1)

Name: Murder, I Spy: A Cozy 1920s Historical Mystery (Dora and Rex 1920s Mysteries Book 1)
Price: 0.99 USD
Availability: InStock
Rating: 4.4 (1979 reviews)
Author: Lynn Morrison

by Lynn Morrison

Mystery Thriller Historical Fiction Romantasy

4.4 (1,979)

4.4 stars from 1,979 reviews. Top 80% of Mystery Thriller books we track.

$0.99KU80% off peak

Last checked: Jun 2, 2026

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Price history: $0.99 – $4.99

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Perfect for you if...

You enjoy 1920s settings where glamour hides genuine peril, and you want mystery that doesn't skimp on character development.
You loved Miss Fisher's Murder Mysteries or the Veronica Speedwell books and want that same blend of wit, competence, and slow-burn tension.
You're after a slow-burn romance where two people are forced to trust each other despite having everything to lose.

Maybe not for you if...

You want cosy mysteries with no real stakes. This book has people actively trying to kill the protagonists.
You prefer standalone novels. This is book one of a series and ends with threads deliberately left open.
You're looking for a straightforward whodunnit. The mystery matters less here than the relationship between Rex and Dora, and their hidden pasts.

About this book

London, 1922: Lord Reginald "Rex" Bankes-Fernsby has spent his post-war years pursuing distractions—fast cars, nightclubs, and the pleasures of London's nightlife. When his best friend Freddie is found dead, the official account seems incomplete. Was Freddie involved in crime, or was his death part of something more sinister? Rex seeks help from Theodora Laurent, a prominent society figure known for navigating the boundary between scandal and respectability. As one of the last people to see Freddie alive, Dora may hold answers to the mystery—until someone attempts to kill her. A narrowly missed bullet throws Rex and Dora together in a desperate search for truth across London. Rex may be Dora's only protection, but he also represents a threat to secrets she has carefully guarded. This edition includes a bonus novella, Murder at the Front, which reveals how Dora and Rex first met during wartime and why nearly five years passed before their paths crossed again.

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Price History

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

$0.99 – $4.99

Currently on sale at $0.99 — 80% off peak. Price has dropped 10 times over the last 4 years. Goes on sale roughly every 103 days.

Sales Rank

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

Currently around #13K in the Kindle store — a steady mid-list seller. Sales have softened 159% recently.

Rating & Reviews

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

Currently 4.4★ from 1,979 reviews

Gaining approximately 52 new reviews per month. Steady word of mouth growth. Rating has dipped slightly from 4.9 to 4.4.

Sale Prediction

Actual Predicted

This book is currently discounted at $0.99. It typically returns to around $4.99.

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.