The book "The Diary of Samuel Pepys - Volume 51: March 1666-67" is a continuation of a unique document that allows the reader to feel step by step the atmosphere of life in London of the 17th century. Samuel Pepys himself, the English civil servant and diarist, talks about everyday events, political turmoil, cultural life and personal concerns. In his diary, Pepys reveals to us pictures of people's lives during the Great Plague of London in 1665, the Great Fire of London in 1666, as well as various aspects of everyday life at that time. The author's frank writings reflect his perception of the world around him, his feelings, concerns and joys, creating an extremely picturesque portrait of the era. "The Diary of Samuel Pepys - Volume 51: March 1666-67" is not only a historical document, but also a kind of witness of the past, which allows us to see the world through the eyes of a person of that time.