The book Is unique and has no analog in its kind. The second edition of this interesting book contains an extensive amount of changes and new information, which will make a reader understand the theory proposed by the author much better. The book starts with a general history of the pyramids, and then the book goes over the ciphers of pyramids proposed by the author. The book then goes over the general astronomy, and shows schemes of stars, solar systems and galaxies deciphered and obtained from an key geometry. Overall, the book is unique of its kind and is inspired by the passage from the Holy Bible in the New Testament, "...the keys of the kingdom of heaven" Matthew 16:19.