"Over the last half-billion years, there have been five mass extinctions, when the diversity of life on earth suddenly and dramatically contracted. Scientists around the world are monitoring the sixth extinction, predicted to be the most devastating extinction event since the asteroid impact that wiped out the dinosaurs. Adapting from her New York Times-bestselling, Pulitzer Prize-winning adult nonfiction, Elizabeth Kolbert explores the Anthropocene era: the era defined by human impact. This young readers adaptation is made accessible with its additional explanations of scientific concepts. Along with photographs from the original book, the adaptation includes illustrations to help make the past, present, and future of extinction compelling for younger readers"--