To whom it may concern,
Our Company has been participated in the publishing field for 30 years, and has been published over 10 kinds of books. In order to provide more detailed-information to the readers, we collect materials like photos from all over the world. We find that your photos are suitable for us to share with reader, so we write this letter to ask for your commission to use the photos for reference in our books. We will be very thankful for your support, and will present our books to you as a gift to show our appreciation.