Since time immemorial the Spires have sheltered humanity, towering for miles over the mist-shrouded surface of the world. Within their halls aristocratic houses have ruled for generations, developing scientific marvels, fostering trade alliances, and building fleets of airships to keep the peace. Captain Grimm commands the merchant ship Predator. Fiercely loyal to Spire Albion, he has taken their side in the cold war with Spire Aurora, disrupting the enemy's shipping lines by attacking their cargo vessels.

Once, there were four worlds, nestled like pages in a book, each pulsing with fantastical power and connected by a single city: London. Until the magic grew too fast and forced the worlds to seal the doors between them in a desperate gamble to protect their own. The few magicians who could still open the doors grew more rare as time passed and now, only three Antari are known in recent memory—Kell Maresh of Red London, Delilah Bard of Grey London, and Holland Vosijk, of White London.

Magic. Sailing. A murderer among heroes. Gravedigger Volke Savan wants nothing more than to be like his hero, the legendary magical swashbuckler, Gregory Ruma. First he needs to become an arcanist, someone capable of wielding magic, which requires bonding with a mythical creature. And he’ll take anything...So when he stumbles across a knightmare, a creature made of shadow and terror, he has no reservations. But the knightmare knows a terrible secret: Ruma is a murderer out to spread corrupted magic throughout their island nation.

When Phoebe, goddess of the moon, is killed by the knights of the sun god, Hyperion, all who follow her are branded heretics. With Phoebe gone, the souls of the dead are no longer ferried to the underworld, and instead linger on as shades who feast on the blood of the living. Raef is a child of the night. He lives in the shadows, on scraps, eking out a meager existence as a thief. But when an ornate box is sequestered in the Temple of Hyperion, the chance of a big score proves too great to resist. What he finds within propels him on an odyssey across the sea and back again.

The Guild of Navigators has ruled the Aion Sea for centuries, using their fleet of mystical ships to collect trade for the Aurelian Empire. Now, the Emperor is dead. For Calder Marten, Captain of The Testament, the Emperor’s death is not an end, but an opportunity. He and his crew seek the legendary Heart of Nakothi, an artifact that could raise a second Emperor...and earn Calder a fortune. But they’re not the only ones who want the Heart. The Consultant’s Guild, an ancient order of spies and assassins, will stop at nothing to keep the world in chaos.

Trying to escape a lifetime of regrets—and outrun his own demons—veteran soldier Lochled Thatcher embarks on the Fourth Crusade to Leftland, a country rich in magic. Desperate to save her brothers, Rony joins Lochled’s squad only to discover that war is very different from all the songs and fancy speeches. As politics and power clash, Kayna, a Seeker, and Ord, a priest of the Church of Alchemy, find their foundations of loyalty and faith shaken and crumbling. In this theater of chaos, magic, and treachery, soldier and priest alike will find their humanity in as much danger as their lives.

Life in a remote fishing village in the middle of a civil war is neither safe nor inspiring. So, when an opportunity comes along for village girl Lynn to be kidnapped and enslaved by Darren, a ruthless pirate queen, she takes full advantage of it. But Darren is neither as ruthless nor as piratical as she appears at first glance--and Lynn's not exactly what she seems to be, either.

Ten years after the collapse, Huxley has built a good life again. He has a loving wife, a farm with fields of golden barley, and a daughter with a strange and wonderful gift. Then the slavers come. Working out in the fields during the attack, Huxley returns too late. His daughter has been taken, and his wife is bleeding out, her last whispered words about a man with a scorpion tattoo on his neck. Where do the slavers go? Huxley has no idea. He knows only that they head east, and so will he, setting out on foot across the desert of the Wastelands.

In the beginning, the gods destroyed the world. Five hundred years later, things haven’t gotten much better for humans. The demigods that were left behind to guard over humanity have been using them as fodder for an endless civil war between themselves, and the humans just go on dutifully slaughtering each other, battle after battle. It’s not all bad, though. Perry McGown makes his living off those bloody, stinking battlefields. He works on a crew that reclaims all the spent shell casings. But if anyone found out that he was a deserter from the war, he’d be executed for heresy.

Mar is a transmasculine nonbinary teen pirate hiding a magical ability to manipulate fire and ice. But their magic isn't enough to reverse a wicked bargain made by their father, and now el Diablo has come to collect his payment: the soul of Mar's father and the entire crew of their ship. When Mar is miraculously rescued by the sole remaining pirate crew in the Caribbean, el Diablo returns to give them a choice: give up their soul to save their father by the harvest moon, or never see him again. But Mar refuses to make a bargain, and there's no way their magic is a match for el Diablo.

On Tempris, time magic is outlawed, and suspected time mages are hunted. Humans are second-class citizens, shunned by the immortal fey that live on the island. They even have a name for their kind: Shardless. Taly is one of the lucky humans. Taken in by a fey noble and his family, she's lived a good life, surrounded by people she loves. But when an accidental brush with magic causes her to see things - ghostly apparitions that give her small glimpses into the future - it has deadly consequences. The Sanctorum has returned to the island, and if they find her, they'll kill her.

The emperor's reign has lasted for decades, his mastery of bone shard magic powering the animal-like constructs that maintain law and order. But now his rule is failing, and revolution is sweeping across the Empire's many islands. Lin is the emperor's daughter and spends her days trapped in a palace of locked doors and dark secrets. When her father refuses to recognise her as heir to the throne, she vows to prove her worth by mastering the forbidden art of bone shard magic.

Rune Scale is set in a world ruled by dragons. Humans survive by their wits and through the use of alchemy, a mysterious magic possessively controlled by the secretive Alchemists Guild. Andrew Condign is an ordinary man with dreams of a better world, where humans can live without the constant fear of dragon attacks. In pursuit of this goal, Andrew finds himself in a race against time as he scrounges for scraps of knowledge and sets out on the most dangerous quest imaginable.

In a land torn between magic and alchemy, Sepha is an exceptional alchemist, able to bend the rules in ways no one else can. But when a slip of the tongue lands her in prison with a mountain of straw, even she has to admit that she can't transmute straw into gold. With the threat of a death sentence hanging over her, she's forced to make a deal with a conniving magician. Sepha escapes with her life - but at a cost: she has one year to alchemically create a body for the magician, or else her firstborn child will be his.

In the holy city of Tova, the winter solstice is usually a time for celebration and renewal, but this year it coincides with a solar eclipse, a rare celestial even proscribed by the Sun Priest as an unbalancing of the world. Meanwhile, a ship launches from a distant city bound for Tova and set to arrive on the solstice. The captain of the ship, Xiala, is a disgraced Teek whose song can calm the waters around her as easily as it can warp a man’s mind. Her ship carries one passenger.