Winner of the Irish Book Awards Dublin Airport Authority Irish Children's Book of the Year - Snr for 2008 and of a Honour Award in the Bisto Children's Book of the Year Awards for 2008.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...