''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 A charming fantasy set in an underwater world with magical academia and a heartwarming pen pal romance, perfect for fans of A Marvellous Light and Emily Wilde''s Encyclopaedia of Faeries. A beautiful discovery outside the window of her underwater home prompts the reclusive Eto 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 loveBut by no mere coincidence, a seaquake destroys E.''s home, and she and Henerey vanish. A year later, E.''s sister Sophy, and H