Please tell me the International Standard Book Number of this book.

He thought he was smart, but he remembered the proverb 'a fool may give a wise man council', and understood the importance of listening to others' opinions.

I plan to travel to the Czech Republic next year.

My friend came from the Republic of the Congo.

My dream is to visit the Republic of South Africa.

My friend came from the Republic of Poland.

The Republic of Iceland is a country located in Northern Europe.

The Republic of Benin is located in West Africa.

In ancient China, the state with a thousand chariots overwhelmed the surrounding countries with its immense power.

The Republic of Yemen is located on the Arabian Peninsula.