The 15 pieces in Carys Davies’s darkly funny and unsettling collection usually begin with “quite small things”, only to edge gently into an emotional abyss in dank Welsh towns, airless Victorian parlours or mouldering libraries. The half-hidden passions of “Ugly Sister” could be a lost slice of Dylan Thomas, while the ousted Latin teacher of “Historia Calamatitum Mearum” has an Atwood-esque prickly wit that surfaces elsewhere. Arrivals and departures often trigger crises – but then, as “Metamorphosis” puts it, “Take-off and landing are the most dangerous times”