The book is kinda like a follow along book with a lecture like in High school, you must understand statistics, linear algebra and probability to understand anything in the book. Books will never solve any equation tho, this book takes a tremendous amount of time to understand. I think more of the masters level than under grad. Pls go through content online once, I would suggest paid lectures of GO classes. Most of the ppl in the review section are idiots they are commenting on the delivery qu...