Ancient Aliens: Did Historic Contact Happen? : Did Historic Contact Happen?

Ancient Aliens: Did Historic Contact Happen? Readers will examine the history of alien sightings, architecture, Nazca Lines, UFOs, and more before deciding for themselves! Table of contents, fun facts, a glossary, and an index are included. Aligned to Common Core Standards and correlated to state standards. Checkerboard Library is an imprint of Abdo Publishing, a division of ABDO.