From the bottom of the oceans of the world a hidden threat stalks mankind—probing, testing our weapons and defenses, biding time to strike. In the summer of 2039, this aquatic foe unleashes surprise attacks against coastal cities around the globe. Mankind faces a sophisticated new enemy, arrived from the depths of space and lurking in the dark blackness of the seas.

100 million dead. 500 million wounded. One billion homeless. The worst war in human history is over—and has left the Star League shattered. Jealousy and infighting from the five Great House Lords over who will be the next First Lord has the entire Inner Sphere already teetering on the brink of all-out conflict again.

Since the Clan Invasion of 3050 ended in failure, there have been those who have not forgotten Nicholas Kerensky’s ultimate goal: The conquering of Terra, and the rise of one clan above all others…to become the ilClan, and rule over both the rest of the Clans and the Inner Sphere…regardless of what the Great Houses may say about it…

The scum hiding deep inside the Reach out along galaxy's edge thought they could kill her and not pay the price. For years these hardened killers have run roughshod over the lawless worlds where Republic justice is never as fast as the blaster in your hand and where double-crosses and death are a part of every deal. They thought this time would be no different. They were wrong. This time, the Guild sent the legendary bounty hunter Tyrus Rechs. As the infamous Rechs pursues the men who murdered his colleague, he's hell-bent on justice.

Tired of sitting out the war on Psydon in a mobile office lab, Legion Lieutenant Washam agrees to undertake a covert and unsanctioned mission with a band of Republic Recon Marines. Inserted deep behind enemy lines, the strike force uncovers a surprise key to ending a bitter war. Now they must navigate a hostile jungle teeming with murderous alien rebels, pushing themselves to the limits of their abilities, to get this vital intel to Legion Command - if they can survive that long.

The year is 1989. America has just invaded Noriega's Panama. And Specialist Bennett's platoon of Cav Scouts are in country… with, frankly, not a whole lot to do. Until a freak rainstorm somehow transports the entire platoon—Humvees, weapons, and all—to another world. A world controlled by a wicked Aztec god. The Land of the Black Sun. In a heartbeat, the Scouts find themselves fighting for their lives against savage beasts, witches, zombies, subhuman tribes seeking sacrifices… and even themselves.

Alien tech discovered. The race to claim it could spark a new kind of War. When a derelict alien starship appears in the solar system and crash-lands on Mars, it ignites a desperate race to be the first to reach the Red Planet to claim the mysterious technological treasures of the Visitor. Space Force General Tom Bradstreet, ace Air Force fighter pilot and the only active-duty officer with actual space combat experience, is given control of the Morrigan, the first manned mission to Mars—and the first space warship.

As a MechWarrior of the Draconis Combine, Minobu Tetsuhara was bound by Bushido - a code that demands loyal service - to the devious Warlord Grieg Samsonov. But when Minobu came upon a strange blue-and-gold Archer, Bushido also dictated that he not destroy the honorable but helpless warrior. And so begins the BattleTech Chronicles, books one, two and three...

The extra-galactic bridge between Earth and Terra Nova reopens after decades. Governor Hale calls for aid against an impossible alien threat known as the Inheritors, an advanced alien species with a mysterious connection to old allies. Hale needs the most powerful soldiers in the galaxy: Armor.

Go to war or go to jail. For small-time street hustler Cam Alvarez, the choice is simple.... He has no family, no friends, no place in the world...nothing to lose. When his latest con results in the death of a cartel hit man, Cam opts to join the Marines and leave Earth to fight a vicious alien enemy. Drafted into the Marine Drop-Troopers, Cam discovers there’s one thing he’s even better at than running street-con games, and that’s killing the enemy.

Get ready to experience two more origin stories in the Backyard Starship universe.

The soldiers of the 11th Bretton Infantry knew they were being dropped into a combat zone on Dharien. But they didn’t know just how bad things really were, with the entire planet about to fall to the rebel Flags. The orders from the Highest are clear: make their way to Tabuk and keep the city under the banner of the Hegemony. For Mason Tellec, it’s one more combat mission—with a difference. Noah, his younger brother, is along for the ride this time, and Mason has promised his mother and father he’ll keep an eye out. Noah’s green, but he’s got the makings of a good soldier.

The war against the AI was won but a new threat is rising. Hank Spears is content with his life as a scrapper until he unearths an artificial intelligence who warns him of a grave threat to all life in the universe. Since AI has long been outlawed and anyone caught harboring one is imprisoned or executed, the two must go on the run, fleeing into the far reaches of space. They must avoid capture, all for the sake of those who would imprison them. Looking for help from old friends to fight new enemies, Hank must find a way to save himself so that he can save the universe.

Jason Burke was a man hiding from himself in a small cabin high in the American Rocky Mountains when his simple, quiet life was shattered one night by what he first assumed was an aviation mishap. But when he investigates the crash, what he finds will yank him out of his self-imposed exile and thrust him into a world he could have never imagined.

For years, pilots who merely looked like soldiers were adequate. They filled the mechs. They filled roles. They supported Spann and his genetic offshoot of pure-blooded warriors known as the Superba. Spann's dream of absolute power ends with a single, crushing blow as a new enemy strikes at the Realm, leaving no survivors—followed by a mad dash to find fighters who can stand up in the old ways, using the mechs gifted to humanity by their oldest allies. Even in the midst of war, there is hope.