"The Adventures of Tom Sawyer, Complete" by Mark Twain is a novel published in 1876 about a mischievous boy growing up along the Mississippi River in the 1830s-1840s. Tom Sawyer and his friend Huckleberry Finn navigate childhood adventures that take increasingly dangerous turns when they witness a murder in a graveyard. Sworn to secrecy and living in fear, the boys must decide whether to speak the truth as an innocent man faces trial, while a vengeful killer remains free.