Four new titles in this best-selling series examine the evidence or lack thereof for these supernatural legends. Reviews of the first six books called the series "solid stuff for teaching high-interest critical thinking," (Booklist) and said, "These books will spark classroom debate," (School Library Journal). Curious minds want to know: are these things real? Read and decide for yourself! Presents the story of the lost city of Atlantis and examines discoveries that are claimed to be Atlantis, ultimately stating there is no hard proof that Atlantis existed."