now joining us from cambridge, massachusetts is jocelyn chadwick.he is with the hard work -- harvard graduate school of education and then national counselors of tehe of english, the author of this book. the jim dynamo: reading race in huckleberry finn. -- die lemma, reading race in huckleberry finn. tell us about your book. >> the focus of my book is to look at the character of not just jim, but the state of america at the time and the state of the freedmen versus the freemen versus the 19th century. -- during the 19th century. and trying to help student and classroom teaching -- students and classroom teachers understand just how important this particular text is, how pivotal and important it is, and how complex jim's character is, as well as huckleberry finn's. it's a rhetorical deep dive into who these characters are, what america was like at this time, and looking not just at the characters in the story, but also the concept of what was happening in society at that time. >> professor chadwick, you taught english for many years at high school le