A gripping tale of high adventure from master storyteller Colin Thiele.Twelve-year-old school friends Sam and Nick are exploring an old shipwreck when they discover a hidden cave in the cliffs nearby. Forbidden to climb on the dangerous cliffs, they set out secretly to explore the cave, expecting to find treasure washed in from the shipwreck.Without warning, the roof of the cave collapses behind them and they are trapped underground in total darkness, without water or food. Nobody else knows where they are. Nobody else even knows that the sea cave even exists COLIN THIELE, AC, was one of Australia s most distinguished and popular writers for children. Colin's books have won numerous Australian and international awards and have been made into many classic films, TV series, plays and picture books. His bestsellers include the multi-award-winning STORM BOY and BLUE FIN.