Callypso Lillis is a siren with a very big problem, one that stretches up her arm and far into her past. For the last seven years she's been collecting a bracelet of black beads up her wrist, magical IOUs for favors she's received. Only death or repayment will fulfill the obligations. Only then will the beads disappear. Everyone knows that if you need a favor, you go to the Bargainer to make it happen. He's a man who can get you anything you want...at a price. And everyone knows that sooner or later he always collects. But for one client, he's never asked for repayment. Not until now.

For Callypso Lillis, the fae magic that now runs through her veins is equal parts curse and good fortune. For the very thing that bonds her to Desmond Flynn, the King of the Night, also makes her vulnerable to the Thief of Souls, a man who wants to break the world and Callie along with it. But it’s not just the Thief whose shadow looms over the Otherworld. Des’s father is back from the dead, and he wants revenge on the son who sent him to the grave in the first place.

Siren and soulmate to the King of Night, Callypso Lillis survived the clutches of Karnon, the mad king, and his twisted prison. But the nightmare isn't over. Callie wears the physical reminders of her time as a captive, and mounting evidence suggests the Thief of Souls is still out there. When a fae celebration thrusts Callie and her mate, Desmond Flynn, into the Kingdom of Flora, they take their investigation with them. But under the bright lights and striking blooms of the realm, they find there are more immediate issues to deal with.

Bryce Quinlan had the perfect life-working hard all day and partying all night - until a demon murdered her closest friends, leaving her bereft, wounded, and alone. When the accused is behind bars but the crimes start up again, Bryce finds herself at the heart of the investigation. She'll do whatever it takes to avenge their deaths. Hunt Athalar is a notorious Fallen angel, now enslaved to the Archangels he once attempted to overthrow. His brutal skills and incredible strength have been set to one purpose - to assassinate his boss' enemies, no questions asked.

Power is much easier to acquire than it is to hold onto. Jude learned this lesson when she released her control over the wicked king, Cardan, in exchange for immeasurable power. Now as the exiled mortal Queen of Faerie, Jude is powerless and left reeling from Cardan's betrayal. She bides her time, determined to reclaim everything he took from her. Opportunity arrives in the form of her deceptive twin sister, Taryn, whose mortal life is in peril.

Celaena Sardothien is her kingdom's most feared assassin. Though she works for the powerful and ruthless Assassin's Guild, Celaena yields to no one and trusts only her fellow killer for hire, Sam. When Celaena's scheming master, Arobynn Hamel, dispatches her on missions that take her from remote islands to hostile deserts, she finds herself acting independently of his wishes - and questioning her own allegiance. Along the way, she makes friends and enemies alike, and discovers that she feels far more for Sam than just friendship.

Aelin has risked everything to save her people - but at a tremendous cost. Locked within an iron coffin by the Queen of the Fae, Aelin must draw upon her fiery will as she endures months of torture. Aware that yielding to Maeve will doom those she loves keeps her from breaking, though her resolve begins to unravel with each passing day....With Aelin captured, Aedion and Lysandra remain the last line of defense to protect Terrasen from utter destruction. Yet they soon realize that the many allies they've gathered to battle Erawan's hordes might not be enough to save them.

Of course I want to be like them. They're beautiful as blades forged in some divine fire. They will live forever. And Cardan is even more beautiful than the rest. I hate him more than all the others. I hate him so much that sometimes when I look at him, I can hardly breathe. One terrible morning, Jude and her sisters see their parents murdered in front of them. The terrifying assassin abducts all three girls to the world of Faerie, where Jude is installed in the royal court but mocked and tormented by the Faerie royalty for being mortal.

Everyone Celaena Sardothien loves has been taken from her. But she's at last returned to the empire - for vengeance, to rescue her once-glorious kingdom, and to confront the shadows of her past.... She has embraced her identity as Aelin Galathynius, Queen of Terrasen. But before she can reclaim her throne, she must fight. She will fight for her cousin, a warrior prepared to die just to see her again. She will fight for her friend, a young man trapped in an unspeakable prison.

Celaena has survived deadly contests and shattering heartbreak - but at an unspeakable cost. Now, she must travel to a new land to confront her darkest truth - a truth about her heritage that could change her life - and her future - forever. Meanwhile, brutal and monstrous forces are gathering on the horizon, intent on enslaving her world. Will Celaena find the strength to not only fight her inner demons, but to take on the evil that is about to be unleashed?