Military sf

Ark Royal

The Ascendant Wars: Hellfire

Bane of the Dead: A Mecha Sci Fi Adventure (Seraphim Revival Book 1)

Battle Luna

BattleTech Legends: Decision at Thunder Rift

Behold Humanity!: May We Come In? (Behold, Humanity! Book 1)

Better to Beg Forgiveness (Freehold Series - Ripple Creek)

Beyond Enemies

Blood, Sweat, and Steel: Tales of Future Combat and Mechanized Warfare

Bolo: Rogue Bolo

Boundless (The Lost Fleet: Outlands)

A Bright Shore

Cadian Blood (Warhammer 40K)

Calgar's Fury

Cartwright's Cavaliers (The Revelations Cycle Book 1)

Chevalier: War Horses

The Chronicles of Old Guy (Volume 1) (An Old Guy/Cybertank Adventure)

Citizens

Cobra Alliance: Cobra War Book I

Columbus Day

Combat Frame XSeed

Combat Frame XSeed: S

The Complete Hammer's Slammers

Constitution: Book 1 of The Legacy Fleet Series

Contact Front (Drop Trooper Book 1)

Crisis of Empire series by David Drake

The Crypt

Dark Operator: A Military Science Fiction Special Forces Thriller

Deathwatch: The Omnibus (Warhammer 40,000)

Dogs of War by Adrian Tchaikovsky

Dogs of War classic stories of men and machines at arms

Dorsai! (Childe Cycle Book 1)

The Dragons of Jupiter

Earth Legions: Gold Squad: A Military Sci-Fi Series

Empire From the Ashes (Dahak combo volumes Book 1) David Weber

Empire of Bones (Book 1 of The Empire of Bones Saga)

Empire of Man

The Empire's Corps

Ender's Game

The Eternity War: Pariah

Fallen Dragon

First and Only: Gaunt’s Ghost, Book 1

First Command Box Set: Spacers, Books 1-6

The Forsaken Planet (Power of the Stars Book 1)

Freehold, Second Edition (Freehold Series)

The Genesis Fleet (The Lost Fleet prequel)

Governor (Ascent to Empire)

A Greater Duty (Galaxy Ascendant Book 1)

Hard Contact: Star Wars Legends (Republic Commando)

Helion Rain: Warhammer 40,000

Hide the Lightning (The Coalition Book 1)

Hour of the Horde

In Fury Born

In the Balance (Worldwar Series 1) alternate history

Intrusion Protocol (Autonomous Weapons Division Book 1)

The Irish Brigade: A Fallen Empire Novel

The IX (The IX Series Book 1)

Joe Haldemann - The Forever War

Junkyard Pirate

The Last Chancers warhammer 40K

The Last War: Book 1 of The Last War Series

The Lazarus War: Artefact

Legacy Earth A military science fiction series

Legend (Four Horsemen Tales Book 1)

Legionnaire

The Lost Fleet by Jack Campbell

The Man-Kzin Wars (Man-Kzin Wars Series Book 1)

Mann's Marauders : A Planet Too Far

MECHA

Mercury's Bane: Book One of the Earth Dawning Series

Metal Warrior: Born of Steel (Mech Fighter Book 1)

Ninefox Gambit (Machineries of Empire Book 1)

Order of the Centurion (Galaxy's Edge)

Powered: Mech Wars Book 1

The Powers of the Earth – Aristillus(with praise of John Carmack !)

Ranks of Bronze (Ranks of Bronze Series Book 1)

Red Company: First Strike

Redliners by David Drake

Sentinel (Deadmen's War Book 1)

Servants of War

Sisters of Battle: the Adepta Sororitas Omnibus

Star Commandos

Stark's War

Starship Conquest: (First Conquest) (Stellar Conquest Series Book 1)

Starship Liberator (Galactic Liberation Book 1)

Starship Troopers

Starship: Mutiny

Steel World (Undying Mercenaries Series Book 1)

Strange Company

Supercarrier: The Ixan Prophecies Trilogy, Book 1

Swarm (Star Force Series Book 1)

Terms of Enlistment (Frontlines Book 1)

The Terran Gambit: The Pax Humana Saga, Book 1

War Dogs

War's Edge

War’s Edge: Berserkers: Volume 1 (Books 1-3) (War’s Edge: Berserkers combo volume)

Wayward Galaxy

Weird World War IV

With the Lightnings, Second Edition (RCN Series Book 1)

World Breakers

World War Mars

The Worst Ship in the Fleet: A Military Science Fiction Adventure! (Dumb Luck and Dead Heroes Book 1)