Translation of "Book's" in Chinese

That book's over here.

那本书在这里。

The book's not about linguistics.

這本書不是語言學。

- This book is new.
- This book's new.

这本书是新的。

- The book is here.
- That book's over here.

那本书在这里。

This book's main topic is the American revolution.

这本书的主题是美国革命。

Whoever the book's author might be, he must be a great writer.

我不知道這本書的作者是誰，但他肯定是個天才。