The Host is a science fiction romance novel by Stephenie Meyer. Set in a future where Earth has been invaded by parasitic aliens called Souls, the story follows a young woman named Melanie who becomes a host for one of these beings. However, Melanie's consciousness fights back, forming a bond with the alien known as Wanderer. The Host explores themes of identity, love, and the nature of humanity. With its unique take on alien abduction and its emotional depth, this book offers a fresh perspective on the genre.