"This great novel is not merely about adventures." support this statement.

THis novel is about so much more than mere adventure. Like Waldo Emerson and Henry David Thoreau, Twain appreciated the simple act of living in communion with nature. Huck lives deliberately without the trappings of society that define the "civilized" characters. He is at home leisurely floating down the river with his escaped slave friend. In this sense Huck is countercultural; he is a rebel with the cause of naturalism. The novel also makes some bold statements about race and culture. The reader clearly sees, as Huck does, that Jim is worthy of Huck's loyalty and friendship. Much of the subtext, by the end of the book, indicates that Jim is a more sympathetic character than Tom. I think these are two important points to consider.