Wikipedia page about this book: https://en.wikipedia.org/wiki/The_Giant_Raft Release date is 2002-02-01
"The Giant Raft" by Jules Verne is a novel published in 1881. When ranch owner Joam Garral agrees to travel down the Amazon River to Belém for his daughter's wedding, he must also confront a dark secret from his past. Pursued by accusations of a crime he didn't commit, Joam faces a sinister blackmailer who holds the only proof of his innocence—encrypted in a mysterious letter that must be decoded before time runs out. (This is an automatically generated summary.)
Adventure and adventurers -- Fiction Voyages and travels -- Fiction Brazil -- Social life and customs -- Fiction Peru -- Social life and customs -- Fiction Rafts -- Fiction Amazon River -- Fiction