The prize-winning, bestselling author of Gingerbread; Boy, Snow, Bird; and What is Not Yours is Not Yours returns with a vivid and inventive new novel about a couple forever changed by an unusual train voyage.When Otto and Xavier Shin declare their love, an aunt gifts them a trip on a sleeper train to mark their new commitment--and to get them out of her house. Setting off with their pet mongoose, Otto and Xavier arrive at their sleepy local train station, but quickly deduce