An electric new novel from the New York Times bestselling author of Hotel Magnifique, which was shortlisted for the Waterstones Children's book prize._______A dark academia fantasy filled with crumbling libraries, magical letters and a magnetic rivals-to-lovers romance.________Seven years ago, Maeve Abenthy lost everything when her father unleashed a terrible, world-destroying magic. Desperate to escape the stain of his crime, she lives under a fake name, never staying in one place long enough to risk discovery. That is until she receives a mysterious letter, containing for impossible words: Your father was innocent. To uncover the truth, she must pose as an apprentice for the illustrious Otherwhere Post. Here, she'll be trained in the art of scriptomancy - the dangerous magic that allows couriers to deliver letters between worlds. But there are some who would prefer the past to stay buried... A dark presence watches Maeve from the shadows, hindering her investigation at every turn. What's more, her infuriatingly handsome mentor knows she's lying about something and time is running out to win him over. It soon becomes clear that to uncover the past, Maeve may have to forfeit her heart - or worse, her future.