This book is about the heavenly kingdom unseen by us, where the Lord our God Jesus Christ sits on the throne of glory, surrounded by a host of Seraphim, Cherubs, Thrones, Masters, Forces, Authorities, Principles, Archangels and Angels. The book contains prayers, tropari, kondaki and greatness to all the Forces of Heaven, an analysis of their significance in the life, state and earthly structure of human life is given. Through their bright images, human faith in the saving power of prayer and the possibility of gaining the Kingdom of Heaven is shown.