The book "Lighthouse" by R. M. Ballantine is a fascinating story about friendship, loyalty and adventure. The main character, a young sailor, decides to try his luck by going in search of adventures far beyond the known world. His path is full of dangers, but by the will of fate he ends up on a mysterious and forbidden island where there is a lonely lighthouse. Will the main character be able to solve the mystery hidden behind the walls of this mysterious building? And what will he find when he goes in search of the truth? "Lighthouse" is a book that will capture your imagination and leave an unforgettable impression after every page you read.