Deadly Cypher vs L'affaire Lerouge: Which Should You Read?

Both live on shelves: Mystery

Deadly Cypher Kate Parker · 2021 ★★★★☆ 4.4 314 pages · ≈ 5 h 49 m · Moderate

A USA Today Bestseller!Could a murder at Bletchley Park cost Britain the war?November, 1939. The British government has assembled a small group of intellectuals at an estate north of London as part of a top-secret…

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L'affaire Lerouge Émile Gaboriau · 1800 ★★★★☆ 3.8 478 pages · ≈ 8 h 51 m · Challenging

“ON Thursday, the 6th of March, 1862, two days after Shrove Tuesday, five women of the village of Jonchere presented themselves at the bureau of police at Bougival.”

Le jeudi 6 mars 1862, surlendemain du Mardi gras, cinq femmes du village de La Jonchere se presentaient au bureau de police de Bougival.

Fiction

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Side by side

The verdict

Readers rate Deadly Cypher highest: Deadly Cypher 4.4 · L'affaire Lerouge 3.8.
Deadly Cypher is the quickest read — about 5 hours vs 8 for L'affaire Lerouge.
Deadly Cypher has the widest readership — 983 ratings behind its score.
L'affaire Lerouge runs the darker storyline; Deadly Cypher stays the lighter read.

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How to choose

Want a one-evening read? Deadly Cypher ≈ 5h vs 8h for L'affaire Lerouge Just want the better-reviewed one? Deadly Cypher 4.4 vs 3.8 from readers New to the genre? Deadly Cypher Moderate vs Challenging for L'affaire Lerouge In the mood for something dark? L'affaire Lerouge a darker storyline than Deadly Cypher Want something lighter? Deadly Cypher an easier tone than L'affaire Lerouge

Scores by source

	Deadly Cypher	L'affaire Lerouge
Goodreads	4.4 (983)	3.8 (635)
Hardcover	4.2 (15)	—
Apple Books	4.5 (15)	—
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Reception

	Deadly Cypher	L'affaire Lerouge
Ratings	983	635
Editions	1	148
Want to read	250	1038
Reading it now	210	—
Written reviews	47	106
Pages	314	478
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Questions readers ask

Which is rated higher: Deadly Cypher or L'affaire Lerouge?

Deadly Cypher has the higher combined reader rating across sources (Deadly Cypher 4.4/5, L'affaire Lerouge 3.8/5).

Which is shorter to read: Deadly Cypher or L'affaire Lerouge?

Deadly Cypher is the quickest read. Estimated at 225 words per minute: Deadly Cypher (314 pages, ≈ 5 h 49 m); L'affaire Lerouge (478 pages, ≈ 8 h 51 m).

Which is harder to read: Deadly Cypher or L'affaire Lerouge?

Estimated difficulty, based on era, reader shelves and length — Deadly Cypher: Moderate; L'affaire Lerouge: Challenging.