'Weird and wild and wonderfully unsettling... Dive in for just a moment and you'll emerge gasping and haunted' Celeste Ng, bestselling author of Little Fires Everywhere

It's been sixteen years since Gretel last saw her mother, half a lifetime to forget her childhood on the canals. But a phone call will soon reunite them, and bring those wild years flooding back: the secret language that Gretel and her mother invented; the strange boy, Marcus, living on the boat that final winter; th ...