A charming fantasy set in an underwater world with magical academia and a heartwarming penpal romance, perfect for fans of  A Marvellous Light  and  Emily Wilde's Encylopaedia of Faeries.   “An underwater treasure-chest to be slowly unpacked, full of things I nosy and loving families, epistolary romance, gorgeous worldbuilding, and anxious scholars doing their best to meet the world with kindness and curiosity.”  —Freya Marske, author of  A Marvellous Light A beautiful discovery outside the window of her underwater home prompts the reclusive E. to begin a correspondence with renowned scholar Henerey Clel. The letters they share are filled with passion, at first for their mutual interests, and then, inevitably, for each other. Together, they uncover a mystery from the unknown depths, destined to transform the underwater world they both equally fear and love. But by no mere coincidence, a seaquake destroys E.'s home, and she and Henerey vanish. A year later, E.'s sister Sophy, and Henerey's brother Vyerin, are left to solve the mystery, piecing together the letters, sketches and field notes left behind—and learn what their siblings’ disappearance might mean for life as they know it.   Inspired, immersive, and full of heart, this charming epistolary tale is an adventure into the depths of a magical sea and the limits of the imagination from a marvelous debut voice. Praise for  A Letter to the Luminous Deep “A shimmering, delicately crafted delight.”  —H.G. Parry, author of  The Magician's Daughter “A fascinating and charming story told in a uniquely elegant voice.”  —Louisa Morgan, author of  A Secret History of Witches “Both the setting and the story are exquisite.”  —Megan Bannen, author of  The Undertaking of Hart and Mercy

A woman who wields magical tarot cards lands herself in a false engagement with the headmaster of a mysterious academy in this first installment of an enthralling romantasy series from the bestselling author of A Deal with the Elf King.Clara Graysword has survived the underworld of Eclipse City through thievery, luck, and a whole lot of illegal magic. After a job gone awry, Clara is sentenced to a lifetime in prison for inking tarot cards-a rare power reserved for practitioners at the elite Arcana Academy.Just when it seems her luck has run dry, the academy's enigmatic headmaster, Prince Kaelis, offers her an escape-for a price. Kaelis believes that Clara is the perfect tool to help him steal a tarot card from the king and use it to re-create an all-powerful card long lost to time.In order to conceal her identity and keep her close, Kaelis brings Clara to Arcana Academy, introducing her as the newest first-year student and his bride-to-be.Thrust into a world of arcane magic and royal intrigue, where one misstep will send her back to prison or worse, Clara finds that the prince she swore to hate may not be what he seems. But can she risk giving him power over the world-and her heart? Or will she take it for herself?

'An underwater treasure-chest to be slowly unpacked, full of things I adore: nosy and loving families, epistolary romance, gorgeous worldbuilding, and anxious scholars doing their best to meet the world with kindness and curiosity' Freya Marske, author of A Marvellous Light The charming conclusion to the Sunken Archive duology, a heart-warming magical academia fantasy filled with underwater cities, romance of manners and found family, perfect for fans of Emily Wilde's Encyclopaedia of Faeries. Former correspondents E. and Henerey, accustomed to loving each other from afar, did not anticipate continuing their courtship in an enigmatic underwater city. When their journey through the Structure in E.'s garden strands them in a peculiar society preoccupied with the pleasures and perils of knowledge, E. and Henerey come to accept--and, more surprisingly still, embrace--the fact that they may never return home. A year and a half later, Sophy and Vyerin finally discover one of the elusive Entries that will help them seek their siblings. As the group's efforts bring them closer to E. and Henerey, an ancient, cosmic threat also draws near. . .