The Giant Raft (1881), originally published in French as La Jangada, is an adventure novel by Jules Verne set along the Amazon River. The story follows Joam Garral, a Brazilian plantation owner who builds an enormous raft to transport his family and goods from Peru to Brazil for his daughter's wedding. However, beneath the celebratory journey lies a dark secret. Years earlier, Garral was falsely accused of theft and murder and forced to flee. Now, as the raft travels down the Amazon, he is recognized by Torres, a former accomplice who attempts to blackmail him. When Garral refuses, he is arrested and sentenced to death for a crime he did not commit. The key to his innocence lies in a mysterious encrypted document left by a dying man. A brilliant cryptographer works to decipher the message before it is too late. As the raft continues its epic descent through the vast and dangerous Amazon landscape, suspense builds around the coded message that may save Garral's life. Blending adventure, geography, and puzzle-solving, The Giant Raft explores justice, honor, and the power of knowledge. The novel reflects Verne's fascination with exploration and scientific reasoning within thrilling narratives.