This lesson introduces the concept of cause and effect with Trinka Hakes Noble's books about Jimmy and his boa constrictor. Each lesson begins with the teacher reading a new story about Jimmy and his boa and the chaos they bring to each place they visit. Class discussions about each event and its cause are followed by tasks for the students to help illustrate understanding of the concept. Students create cause-and-effect pictures, puzzles, and flow charts as they explore the genre. As a culminating activity, students write their own book with causes and effects, which are assessed with a rubric.