DOES ANYBODY KNOW WHAT THE BOOK GREAT EXPECTATIONS, BY: CHARLES ENS IS ABOUT??????? Please HELP IF YOU CAN

I'VE BEEN READING THE BOOK GREAT EXPECTATIONS, BY CHARLES ENS, AND THIS BOOK IS SO CONFUSING. I'M IN THE SECOND PART OF THE BOOK AND REALLY DON'T GET IT, CAN SOMEONE PLEASE TELL ME WHAT HIS BOOK IS ABOUT? I WOUL REALLY APPRECIATE IT. THIS BOOK IS REALLY CONFUSING, PLEASE ONLY ANSWER IF YOU ACTUALLY KNOW WHAT THIS BOOK IS ABOUT. THANKS.....!