How did Dian Fossey first track the gorillas? Why do poachers threaten the survival of the gorillas? The 'Leveled Biographies' series offers leveled, high-interest nonfiction in a range of text genres. Each title tells the story of one memorable life, using pictures, maps, sidebars, and engaging text to make each persons story come alive. The 'Dian Fossey' includes examples of the biography and recount text types.