Tomb of Gods by Brian Moreland

Deep inside the tomb exists a hidden world of wonder and terror... In 1935, British archaeologists vanished inside an Egyptian cave. A year later, one man returned covered in mysterious scars. Egyptologist Imogen Riley desperately wants to know what happened to the ill-fated expedition led by her grandfather. On a quest for answers, she joins a team of archaeologists and soldiers in Egypt. Inside a mountain tomb, they've found a technologically advanced relic and a maze of tunnels. Dr. Nathan Trummel believes this tomb leads to the most guarded secrets of the pharaohs. When the explorers venture deep into the caves, they discover a hidden world of wonder and terror.