This should be 500-700-word essay summarizing the book and responding to certain aspects of it such as the interplay between some of the characters. You need to have a thesis concerning the book that you develop in your essay. Here is the model outline:
Introduction, including thesis. 1-3 paragraphs
Main Points (body), several paragraphs
Conclusion (1 paragraph): The conclusion should flow from the main points and reinforce the thesis.
LINK TO BOOK: https://www.lcps.org/cms/lib4/VA01000195/Centricity/Domain/700/KA%20Book.pdf