"The Coral Island" is a novel written by R.M. Ballantyne, first published in 1857. It tells the story of three boys—Ralph, Jack, and Peterkin—who are shipwrecked on a deserted island in the South Pacific. The boys explore their new environment, encountering various challenges and adventures as they learn to survive in the wild. Throughout their journey, the boys discover the beauty of nature and the importance of friendship. They also face dangers, including encounters with cannibals and wild animals. The novel emphasizes themes of bravery, resourcefulness, and the joys of childhood exploration.