The Boy and the Poacher's Moon. Pamela Newham

Billy is one of four finalists chosen in the Wild2Save competition to spend a weekend in the Kruger Park. Their hosts, Bokkie and Schalk Kriek, promise a weekend exploring the bushveld and viewing the amazing wildlife. But on their first night they come face to face with a group of ruthless poachers and land in grave danger. Who is the mysterious boy, and the anonymous “Hornblower”? Will they help the four friends expose the villains and save the rhino?