этой книги

of this book

→ этот

phrase Rare #36,688

of this book The genitive form of «эта книга» (“this book”), used to show possession or a relationship to something.

RU: Я не помню название этой книги.

EN: I don’t remember the title of this book.

Are you the author of this book?

Give me a copy of this book.

The author of this book is my uncle.

I learned something from this book.

What is the main message of this book?