13-year old Clarence Griffin was on a weekend camping trip with his family and friends. His excursion turned out to be more than he bargained for when he was plunged into a world of deep peril filled with unworldly predators and dangers unseen within the darkest depths. Armed with only his slingshot and the equipment on his back, he must rely on his own survival skills and the talents of his three best friends and his little sister. Can he continue to defy inevitable demise and use his leadership to save himself and his companions in an unfamiliar realm? Join Clarence and his companions as they journey through an underground world full of danger at every twist and turn. There is no safe place and no time to rest. Vicious creatures that they thought never existed are constantly hunting them as they attempt to do the impossible and find a way to escape their nightmarish underworld ¿