First write a claim, simply just restate the question Second write 3 things that you liked or did not like about the book Third write down a conclusion now write down a new paragraph starting with your claim and explaining more about why you didn't or did like the book Now write down your 3rd paragraph which is the conclusion simply write down you thesis statement and write down your claim in past like.
Your first step should be to brain storm ideas for your topic you can make a web or bullet ideas
next you should research or find key things you would like to quote from the book
start your rough draft and try to keep it to the word count you are required it should began with either (a quote, a question, or some sort of catching device)
after you finish go back through and google ways to change your words around for example for saying "he threw a punch" you could say "he propelled his fist cutting through the air he...."