Wilderness by Roddy Doyle

A novel of mothers lost and found, "Wilderness" is part roaring adventure,part family drama - with a charm that's all Roddy Doyle's.

While Tom and Johnny are on a husky safari in Finland, their half-sister Grainne stays behind to face the mother who abandoned her.But Tom and Johnny are too caught up in their adventure to think
of home - until they find themselves lost in the snow, in a desperate struggle for survival...