When an old journal falls into Dane Maddock’s hands, he and Bones Bonebrake find themselves caught up in a search for a lost excavation site and the secret it hides. But the journal holds more than meets the eye.
Already at odds with dangerous local rivals, Maddock and Bones soon find themselves in another race with a clandestine organization called the Trident, who are bent on securing a lethal prize.
Can Maddock and Bones survive what lies deep within the CAVERN?
*At this time, Kindle World stories are exclusively available on Kindle US. They are stand-alone adventures that do not impact the overall story line of the Dane Maddock series.