Tbh I failed to like it , properly The theory is good the look is good but as a book to read nooooooo if you have the paper version utilize it for decoration . He disappointed me this time I expected some thing greater .?? ?? ????? ?????? ????? ???? ??????? ??? ?????? ???????????? ?? ??? ?????? ???? ??? ?? ????? ??????? ????????? ??????? ???? ?????