There's something monstrous in Crater Lake and Chief Park Ranger Henry Shore and his rangers need to find out what it is. Turns out it's a real live dinosaur and with the help of paleontologist Justin Maltin and a team of brave FBI agents - and a Deep Rover submersible- Henry tracks the creature down in the lake's underwater caves and finds a way to destroy it. 718 REVIEWS on Amazon 4.2 star average. Now a 6 book series! Dinosaur Lake VI: The Alien Connection is OUT!