P.O. Box is a paperback book authored by Sarkissian Nazik, published in 2001. The work spans 186 pages and carries valid ISBN identifiers, suggesting it is a substantial literary work. While specific details about the content are not available in the provided metadata, the title hints at themes related to communication, isolation, or human connection through the metaphor of a postal box. The author's name suggests Armenian or Middle Eastern literary origins, which may indicate the book's cultural perspective or setting.