Planet Urth 2-Book Boxed Set by Jennifer & Christopher Martucci

*More than  625 5-star reviews of the individual books –Now available in a 2-book boxed set*
More than two hundred years into the future, human beings are an endangered species. The planet has been battered by war, its inhabitants plagued by disease and death. Few humans survived and remained unaffected. Most changed dramatically and evolved into something else entirely. Irrevocable alterations caused by chemical warfare have created a new species. North America is in ruins and has been overtaken. Humanity has fallen at the hands of mutants known as Urthmen.