Part roaring adventure, part family drama – with a charm that’s all Roddy Doyle. While Tom and Johnny are on a husky safari in Finland, their half-sister Gráinne stays at home, preparing to meet the mother who abandoned her.

The boys think every minute in the wilderness is a thrill – but then their mother’s sled doesn’t make it back to the lodge one night. She’s lost in the snow and it’s up to them to rescue her…