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

Our company has developed a new logo to strengthen our corporate identity.

The United Nations Security Council plays a crucial role in maintaining world peace and security.

Zero is used to represent absolute zero.

The police detained him to investigate the incident.

The road is blocked and I can't pass through.

Jitsu is my best friend.

Aiki made pancakes and ate them.

His heart became empty.

His heart felt like emptiness.