The Tiger Warrior by David Gibbins
India. 1879. Lieutenant John Howard witnesses something so unspeakable it changes him for ever. His subsequent disappearance is never solved. Egypt. Present day. Marine archaeologist Jack Howard makes an astonishing discovery on a deep-sea dive. What's the connection? Jack Howard doesn't know yet. But he's about to find out. This isn't just a treasure hunt; it's a desperate search for the truth. A truth that will unlock the mystery of Jack's great-great grandfather's disappearance. A truth so compelling Jack's pursuit is almost unstoppable. Almost. A formidable enemy from Jack's past has appeared in his present, and this enemy will stop at nothing to protect its earth-shattering secret.