book is very cheap guys I see there are a lot of free PDFs also available for this book I don't want to share that PDFs I don't know don't hurt want to research and find out the free PDFs over there because this guy has written this author has written this book so nicely and I don't want to disrespect him by just taking the free PDFs and distributing it to you okay I have not even researched and found out whether there is any PDF or not I basically download I basically bought this book the paperback version and I'll just if