It sounds like a "run on" it seems to excisive and stretched out.
A.its should be the correct answer because it’s is the short form of it is.
Yes your motive is clear and you used a choice of words.
Good Luck!
Have you considered looking at other summaries of this book? For the last one, it’s your opinion saying why or why not someone should read this book. You could say “I recommend this book to anyone who is into this book genre.” Also compare the book to other popular book series. (Will put more info in a moment)