"Border Princes" is a fascinating book written by the popular writer Philip Pullman. This is a sci-fi masterpiece that tells the story of a mysterious world over which a great threat looms. The main character, a young scientist, finds himself involved in a lot of exciting adventures where he has to face his own beliefs and the choice between good and evil. Will he be able to find a way out of this difficult situation? "Border princes" is a fascinating literary canvas that makes the reader think about the essence of good and evil, as well as the importance of one's own choices in difficult life situations.