Daisy Johnson’s ‘Fen’ is a liminal land. Real people live their lives here. They wrestle with familiar instincts, with sex and desire, with everyday routine. But the wild is always close at hand, ready to erupt. This is a place where animals and people commingle and fuse, where curious metamorphoses take place, where myth and dark magic still linger. So here a teenager may starve herself into the shape of an eel. A house might fall in love with a girl. A woman might give birth to a – well what? English folklore and a contemporary eye, sexual honesty and combustible invention – in ‘Fen’, these elements have come together to create a singular, startling piece of modern fiction.