2nd reading into Huck Finn

This reading made me think of the underground trail and about how life was back then with slavery and "free states". One thing i would like to know more about is how Huck is going to deal with the problem of accompanying and helping an owned slave. I wonder what would've happened if Huck's valet never brought him into the woods where he would meet Jim later on. The setting is important because it gives me and easier way to visualize how the story is going and what is happening, when I see all these details of what the surrounding is, i see the images in my head and make the reading into a movie.