Try looking in your local library. They often have teaching guides and related materials for popular novels. Also, check out academic databases that focus on literature and education.
You might find some useful teaching resources on educational websites like Teachers Pay Teachers or on the publisher's official website for the novel.
You could search on educational platforms specifically designed for English literature. Some universities also share teaching resources for classic novels on their websites. Another option is to look for blogs or forums where teachers discuss and share resources for this particular novel.