this book is
Ce livre est un nouveau livre.
This book is a new book.
This book is on the table.
This book is new.
Ce livre est assez intéressant.
This book is quite interesting.
Ce livre est si difficile que je ne peux pas le lire.
This book is so difficult that I can't read it.
This book is out of print.
This book is theirs.
Malheureusement, ce livre est introuvable.
Unfortunately, this book is nowhere to be found.