Devil's Bargain (Red Letter Days Book 1)

Name: Devil's Bargain (Red Letter Days Book 1)
Price: 1.99 USD
Availability: InStock
Rating: 4.2 (1090 reviews)
Author: Rachel Caine

by Rachel Caine

Thriller Science Fiction Fantasy

4.2 (1,090)

4.2 stars from 1,090 reviews. Top 89% of Thriller books we track.

296 pages~4.9 hr readPublished by Silhouette BooksPublished 2005-01-01

$1.99Deal80% off peak

Last checked: Jun 15, 2026

Price history: $1.99 – $9.99

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Price range: $1.99 – $9.99

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Perfect for you if...

You enjoy thrillers with paranormal twists that don't bog down the pace with mythology explanations.
You want a strong female duo with chemistry and actual competence, not just quippy banter.
You're looking for fast-paced plots where the stakes escalate quickly and personal danger forces characters to level up.

Maybe not for you if...

You prefer standalone books with neat resolutions, since this is book one of a series with threads that won't wrap up.
You want deep character backstory and emotional arcs; this one prioritises plot momentum and mystery over introspection.
You're after paranormal romance; the focus here is on danger and conspiracy, not relationships.

About this book

Jazz Callender, a disgraced former detective, receives an unexpected offer: funding to start a private investigation agency. The catch is partnering with Lucia Garza, described as a national security risk, accepting one hundred thousand dollars, and taking on assignments with unclear purposes. When Jazz is shot and one of their surveillance subjects dies, the partnership becomes urgent. As they search for answers about their mysterious employer, Jazz and Lucia discover they are pawns in a psychic game with stakes extending far beyond their own futures. This is the first book in the Red Letter Days series.

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Price History

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

$1.99 – $9.99

Currently on sale at $1.99 — 80% off peak. Price has dropped 23 times over the last 4 years. Goes on sale roughly every 54 days.

Sales Rank

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

Currently around #441K in the Kindle store — a niche title. Sales have softened 56% recently.

Rating & Reviews

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

Currently 4.2★ from 1,090 reviews

Gaining approximately 9 new reviews per month. Rating has remained stable at 4.3 over the tracking period.

Sale Prediction

Actual Predicted

This book is currently discounted at $1.99. It typically returns to around $9.99.

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.