This master thesis focuses on Mark Twain's The Adventures of Tom Sawyer and its possible uses in English language teaching (ELT). The theoretical part puts The Adventures of Tom Sawyer into the context of children's literature and introduces the concept of extensive reading programme through which a graded version of the book is presented to elementary school learners (seventh-graders) in the practical part. At the end of the thesis, the outcome of the action research is analysed and evaluated.