Alexandra Christo Collection 3 Books Set (To Kill a Kingdom, City of Spells, Into The Crooked Place):

To Kill a Kingdom:
Princess Lira is siren royalty and the most lethal of them all. With the hearts of seventeen princes in her collection, she is revered across the sea. Until a twist of fate forces her to kill one of her own. To punish her daughter, the Sea Queen transforms Lira into the one thing they loathe most - a human.

City of Spells:
With Wesley as their prisoner, Dante Ashwood and Zekia tear through the streets of Uskhanya, conquering cities at a time with their army of Crafters and enthralled citizens. As Wesley realises the truth of his power and Zekia tries to lure him to darkness, he must fight against the deadly magic that invades his mind and find a way back to his friends before it's too late.

Into The Crooked Place:
Magic rules the city of Creije Capital and Tavia Syn knows just how many tricks she needs up her sleeve to survive. Selling dark magic on the streets for her kingpin, she keeps clear of other crooks, counting the days until her debt is paid and she can flee her criminal life.But then, one day, with her freedom in sight, Tavia uncovers a sinister plot that threatens to destroy the realm she calls home.