After noted explorer edward dennison vanishes, a search party, headed by anthropologist jonathan brock, embarks on a mission to trace dennison's last known tracks through a secret passage in Alaska-a gateway to the very center of the earth.
After noted explorer edward dennison vanishes, a search party, headed by anthropologist jonathan brock, embarks on a mission to trace dennison's last known tracks through a secret passage in Alaska-a gateway to the very center of the earth.
