At the Earths Core. Word Search Puzzle Solver. At the Earths Core word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. A huge burrowing machine tunnels out of control at ferocious speed cutting clean through to the center of the earth to the twilight world of pellucidar. Once there Dr. Perry and David Innes are threatened by half human creatures lizard-like birds and man-eating plants. This includes identifying and searching for words that are related to : Robert Gillespie, Science Fiction, Fantasy, Keith Barron, Cy Grant, Michael Crane, Peter Cushing, Andee Cromarty, Sean Lynch, Bobby Parr, Godfrey James, Caroline Munro, Helen Gill, Doug McClure, Adventure .