The type of book, it's length, and how many pages each chapter will have, it's all up to you. However, many people-myself included- like books that have between 300-500 pages, less than 300 is too short, and more than 500 can sometimes be too long.
Keep in mind that some excellent books are a lot shorter than 300 pages, or a lot longer than 500 pages.
It all depends on your story, how fast and interesting it is. If you need only 100 pages to make your statement, and get people to enjoy it, then that's okay (think of Animal Farm).
I like the title, it's interesting. I can already picture a book cove