Terms of Enlistment (Frontlines Book 1)

Name: Terms of Enlistment (Frontlines Book 1)
Price: 1.99 USD
Availability: InStock
Rating: 4.4 (25844 reviews)
Author: Marko Kloos

by Marko Kloos

Science Fiction

4.4 (25,844)

4.4 stars from 25,844 reviews. One of the highest rated Science Fiction books we track.

$1.99KU50% off peak

Last checked: Jun 6, 2026

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Price history: $0.99 – $3.99

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Price range: $0.99 – $3.99

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Fans of these authors will like this...

Joe Haldeman
John Scalzi
Robert Heinlein

Fans of these books will like this...

Starship Troopers
The Forever War
Old Man's War

Perfect for you if...

You love hard military science fiction with boots-on-the-ground action and realistic combat details.
You've read Starship Troopers or The Forever War and want more in that vein.
You appreciate character-driven plots where the protagonist's journey from desperation to soldier feels earned and brutal.

Maybe not for you if...

You prefer space opera with grand galactic politics and multiple POV characters.
You want romance or deep emotional relationships to balance the military themes.
You're looking for a standalone novel. This is book one of a series with cliffhangers and unresolved threads.

About this book

In 2108, the North American Commonwealth is severely overcrowded. Andrew Grayson lives in a crime-ridden welfare tenement with limited options for escape: winning a lottery for a colony ship or enlisting in the armed forces. He chooses military service, hoping for better food, healthcare, a retirement bonus, and a chance to leave Earth. As Andrew begins his military career, he discovers that the promised benefits come with significant costs. He soon encounters dangers far beyond military bureaucracy or street gangs—threats that exist throughout the settled galaxy. This debut novel is the first book in the Frontlines series. This revised edition includes editorial revisions.

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Price History

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

$0.99 – $3.99

Currently on sale at $1.99 — 50% off peak. Price has dropped 15 times over the last 5 years. Goes on sale roughly every 135 days. Typically stays discounted for 10 days.

Sales Rank

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

Currently around #15K in the Kindle store — a steady mid-list seller. Sales have softened 29% recently.

Rating & Reviews

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

Currently 4.4★ from 25,844 reviews

Gaining approximately 93 new reviews per month. Steady word of mouth growth. Rating has climbed from 4.3 to 4.4. Recent readers are rating it higher.

Sale Prediction

Actual Predicted

This book is currently discounted at $1.99. It typically returns to around $3.99.

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.