Journey to the Underground World

Journey to the Underground World is a science fiction novel by American writer Lin Carter, the first in his series about the fictional "Hollow Earth" land of Zanthodon. It was first published in paperback by DAW Books in November 1979, with an ebook edition following from Gateway/Orion in August 2018. It was also gathered together with the other volumes in the series into the omnibus ebook collection The Zanthodon Megapack.