Book excerpt: When her mother dies from a snake bite, Comity's life in the Australian outback changes for ever. With her father lost in his grief, Comity makes friends with Fred, the Aboriginal yard boy. But then the evil Quartz Hogg arrives, who delights in playing cruel games. And when he sets his murderous sights on Fred, it's up to Comity to stop him. A gripping tale that builds to an explosive climax from much-loved storyteller, Geraldine McCaughrean.