The St Paul's Cathedral Official Guide Book is a paperback book written in English by various authors. It serves as a comprehensive guide to St Paul's Cathedral, providing detailed information and insights about the iconic landmark. The guide book covers topics such as the history, architecture, and cultural significance of the cathedral, making it an essential resource for visitors and enthusiasts alike. With its informative content and convenient paperback format, this official guide book is a valuable companion for anyone looking to learn more about St Paul's Cathedral.