"Gall blood" is an exciting historical romantic drama, the authorship of which belongs to the famous French writer Julien Dugon. This book tells the love story between the hero Louis de Kerois, a young Gaul, and Princess Astrid, the daughter of the Roman emperor. Their love is tested by great tests, because they are representatives of hostile peoples who are forced to fight for their rights and freedom in unfavorable times. The author skillfully combines historical facts and fantasy, which makes the book not only an exciting read, but also an important masterpiece that helps the reader better understand and feel the spirit of that time. "Gall blood" is a story about courage, bravery and loyalty, about love that can overcome any obstacles, and about the eternal struggle for freedom and dignity.