The book "The Mysterious Sentinel of Puerto Rico" by Lewis Miller is an exciting novel with elements of detective and mysticism. The action unfolds on the mysterious island of Puerto Rico, where an ancient guardhouse standing on the edge of the forest is considered cursed by the locals. The main character - an experienced detective - decides to reveal the secret of this booth, which is connected with the disappearance of a number of people. Readers, together with him, immerse themselves in the tense atmosphere of a real detective thriller, where the mysteries of antiquity are intertwined with the intrigue of the present. The author successfully combined the elements of horror, mysticism and the disclosure of a criminal mystery, creating an exciting read for lovers of suspenseful plots.