Book excerpt: Twins Kirsty and David Murray are forced to leave their crofting home in the north of Scotland, and struggle to cope with life in Glasgow, where the work is hard and dangerous. Then comes a chance for a new adventure on a ship bound for Canada. Will they survive the treacherous Atlantic crossing, and what will they find in the strange new land? The Desperate Journey is Kathleen Fidler's best-known story, a true Scottish classic whose thrilling plot will keep children gripped till the end.