Atlantis Found / Clive Cussler

From the Grand Master of adventure fiction comes heart-pounding action and intrigue - and the answer to one of the great mysteries of human history. An Antarctic whaler stumbles upon an aged wreck, its frozen crew guarding crates of bizarre antiquities - and a black skull carved from solid obsidian ... A team of experts gazes in awe at a wall covered in ancient inscriptions, moments before a dynamite blast seals them deep beneath the rocky ground of Colorado ...