Books!

The book is necessary for our life.

The textbook that we are using at the school is a book.

The book offers us various information.

The book enriches our life.

There is a long history of a books.

The book records people's histories.

There are various kinds of books.

The 1st book was not written on paper like the present age.

the 1st book was written in the shellfish and animal bones, etc.

The 1st　book made in Japan was written on paper.