I taught this as part of a thematic unit on geography and society for summer school. It covered about three weeks of five one-hour long periods, but it might take you less depending on your student level. (My students are all ELLs and tend to be lower-level readers even in their native languages.)
The best part of this unit is that it takes a literary classic that you love and helps students approach the rich themes--without making them take a mini-course on 19th century American regional dialects. It is based on the Townsend Library edition (ISBN: 978-1-59194-029-6), which I highly recommend for its accessibility and editing--it certainly is not the original, but you will get a classroom full of students able to talk about the seminal issues that the original touched on.
Finally, this was also prepared as a way to prepare students for the English Language Arts New York State Regents Exam. The diagnostic and summative assessments mirror each other so that you can clearly measure student progress. In addition, each of the five guides included in this one document helps teach a specific literary element: point of view, characterization, symbolism, structure and theme.
NOTE: If you leave some feedback on my store page and an email address where I can reach you, I'll send you all 6 Powerpoint Presentations for the unit for FREE!