Detective First Grade: A Novel (Det. Brian McKenna Novels Book 1)

Name: Detective First Grade: A Novel (Det. Brian McKenna Novels Book 1)
Price: 12.99 USD
Availability: InStock
Rating: 4.6 (65 reviews)
Author: Mahoney, Dan

by Mahoney, Dan

Mystery Thriller Thriller

4.6 (65)

4.6 stars from 65 reviews

389 pages~6.5 hr readPublished by St. Martin's Paperbacks

$12.99At peak price

Last checked: Apr 19, 2026

Hidden GemHighly rated but flying under the radar. Fewer readers have found this one yet.

Price history: $0.50 – $12.99

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Price range: $0.50 – $12.99

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Perfect for you if...

You love procedural crime fiction with real cop details and authentic street-level dialogue.
You enjoy thrillers where the protagonist has something to prove and the stakes keep climbing.
You appreciate novels written by insiders who know their subject matter from decades of lived experience.

Maybe not for you if...

You prefer cosy mysteries or crime fiction that doesn't centre on violence and gun violence.
You want fast-paced plots that wrap up in 200 pages or less.
You're looking for character-driven literary fiction rather than plot-driven suspense.

About this book

Detective Second Grade Brian McKenna has built a reputation for finding guns on suspects. When he spots an armed man on the streets, he pursues what seems like a routine collar—but discovers he's stumbled into a hidden conflict with a highly organized, well-armed criminal group unknown even to the NYPD. Exiled from Manhattan for repeatedly breaking rules and pressured by his girlfriend to leave the force, McKenna sees this case as his last opportunity to restore his standing and earn promotion to Detective First Grade. He must act decisively to stop a new criminal organization led by a ruthless, charismatic woman from taking control of the city. Dan Mahoney, who spent over 25 years with the NYPD, brings firsthand police experience to this novel of crime and suspense.

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Price History

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

$0.50 – $12.99

Price has dropped 10 times over the last 11 months. Goes on sale roughly every 34 days.

Sales Rank

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

Currently around #825K in the Kindle store — a niche title. Climbing the charts — 31% improvement recently.

Rating & Reviews

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

Currently 4.6★ from 65 reviews

Review activity has been quiet recently. Rating has remained stable at 4.6 over the tracking period.

Sale Prediction

Actual Predicted

Based on past patterns, a price drop could happen soon. It typically goes on sale every 34 days and the last drop was 58 days ago. Typical discount: 96% off.

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.