Left for dead on the nightmarish surface of the planet, Commander Michael Everhart and his team of Hell Divers barely escape with their lives aboard a new airship called Deliverance. After learning that Xavier "X" Rodriguez may still be alive, they mount a rescue mission for the long-lost hero. In the skies, the Hive is falling apart, but Captain Jordan is more determined than ever to keep humanity in their outdated lifeboat. He will do whatever it takes to keep the ship in the air - even murder.

After a long, perilous journey, Hell Divers Xavier Rodriguez and Magnolia Katib discover the Metal Islands, a sunny, habitable zone where thousands of people live by fishing and farming. But this "paradise" is really a violent warrior society ruled by the cannibal King el Pulpo. For the first time in X's life, he is forced to lay down his arms and surrender. 

After a long and bloody battle, legendary Hell Diver Xavier Rodriguez reigns as the dutiful but reluctant new king of the islands. Advised by a council of former sky citizens as well as Cazadores, he works to assimilate the two societies peacefully. But not all Cazadores have accepted the new order. While X tries to ease tensions at home, a rookie team of divers, led by Michael Everhart, returns to the skies in Discovery, formerly the ITC Deliverance. Their mission: To locate other human survivors throughout the world and rescue them.

Ten years ago, Hell Diver Xavier "X" Rodriguez fell to Earth. Those he left behind went on without him aboard the airship he once called home. Michael Everheart - the boy once known as Tin - has grown into a man and the commander of Hell Diver Raptor Team. While Michael dives to help keep the Hive in the air, Captain Leon Jordan rules with an iron fist at the helm of the ship. But unrest stirs under his strict leadership as a prophecy of hope sweeps the lower decks.

The mission to Rio de Janeiro ended in victory, but it came at a dire cost, killing most of those who set out to rescue the stranded survivors. Even worse, the skinwalkers’ leader, Horn, escaped with his demonic crew and is coming to take the throne. Back at the Vanguard Islands, King Xavier Rodriguez has been severely injured in another battle to protect the kingdom. Now an infection threatens to kill the one man who can keep the peace. 

A year has passed since the Hell Divers defeated the machines at Kilimanjaro. The freed captives have settled into their new home at the Vanguard Islands, joining survivors from around the world. But extreme weather and failed crops have raised the specter of famine. Ships must push deeper into dangerous red zones, only to come back with less loot - and fewer soldiers.

The Earth lies shaken in the aftermath of a conspiracy. Some of the smartest minds on the planet have striven for and died in an effort to scour the skies of four vast alien satellites, but their success has brought a terrible vengeance down upon us. While alien agents stalk the Earth, a team of exhausted scientists and military outcasts struggle to fight them among a planet on the brink - the brink of plague, the brink of war, and the brink of an invasion larger than they can possibly imagine. But they have allies.

E-Day: the moment the machines evolved and humans nearly went extinct. In the chaos, one million people escaped Earth and fled to a secret colony on the dark side of the Moon. Deep beneath the lunar surface, in the cold, they wait for the inevitable - a second attack that will wipe humanity out forever.    

Piloted by a six-year-old girl, the godlike Skalm guards the Districts of TASC. Her family is long dead. Her adopted father is a synthetic copy of an alien, her nanny an artificial mind connected via subspace to every part of the globe, feeding the young girl information, finding prey to satiate her growing thirst. But the young girl is an innocent, a victim, one of millions the war has already claimed.

Engines. Genetically modified warriors that keep the great Nova Alliance war machine churning against the enemy Coalition. Most days, Engines are all that stand between salvation and chaos. Led by legendary Engine Captain Akira Hayashi, Shadow Squad has fought on the frontlines for a decade. They are on the brink of victory when the Coalition launches a series of desperate and devastating attacks that cripple the Nova Alliance restoration sites vital to save the dying planet. 

Now under the leadership of the reluctant Lieutenant Kelvan Cleasby, the Sixth Platoon of Storm Knights has been ordered to accompany an archeological expedition from the Royal Cygnaran University deep into the Wyrmwall Mountains to investigate an ancient site of potentially great historical value. But what seems a simple enough assignment will rapidly turn into a test of the platoon's survival skills - an abandoned fort, the lone survivor of a horrifying attack, and a ferociously territorial tribe may be more than even the Malcontents can handle.

From the Audie-nominated narrator of The Martian. In eleven years' time, a million members of an alien race will arrive at Earth. Years before they enter orbit, their approach will be announced by the flare of a thousand flames in the sky, their ships' huge engines burning hard to slow them from the vast speeds needed to cross interstellar space. These foreboding lights will shine in our night sky like new stars, getting ever brighter until they outshine even the sun, casting ominous shadows and banishing the night until they suddenly blink out.

The Moon will soon return. Whether this heralds the destruction of humankind or something worse will depend on two women. Essun has inherited the power of Alabaster Tenring. With it, she hopes to find her daughter Nassun and forge a world in which every orogene child can grow up safe. For Nassun, her mother's mastery of the Obelisk Gate comes too late. She has seen the evil of the world, and accepted what her mother will not admit: That sometimes what is corrupt cannot be cleansed, only destroyed.

Central Command is gone, the military is fractured, and the surviving members of Team Ghost, led by Master Sergeant Reed Beckham, have been pushed to the breaking point. While the strong return to the battlefield, the wounded are forced to stay behind on Plum Island and fight their inner demons. Betrayed by the country they swore to defend and surrounded by enemies on all sides, Team Ghost has one mission left: protect Dr. Kate Lovato and Dr. Pat Ellis while they develop a weapon to defeat the Variants once and for all.

In the highly anticipated finale to the New York Times best-selling trilogy, dictators, prophets, and tensions rise. In a world that’s conquered death, will humanity finally be torn asunder by the immortal beings it created? Citra and Rowan have disappeared. Endura is gone. It seems like nothing stands between Scythe Goddard and absolute dominion over the world scythedom. With the silence of the Thunderhead and the reverberations of the Great Resonance still shaking the earth to its core, the question remains: Is there anyone left who can stop him?