The book "Medieval Knowledge from Bartholomew the Englishman" is one of the key works of the Middle Ages. The author Bartholomaeus Anglicus, a figure of the 13th century, in his work reveals a wide range of knowledge and beliefs of his time. The book covers a variety of topics, ranging from astronomy and astrology to flora and fauna. "Medieval knowledge from Bartholomew the Englishman" is not only a source of information about the life and views of people of that time, but also a kind of window into the past, which helps to better understand the cultural and intellectual ideas of medieval people.