Ilsée, Prinzessin von Tripolis is a bibliophile edition of the legend of the troubadour Jaufré Rudel and the Princess of Tripoli, written by Robert de Flers. The book was artistically designed by Alfons Mucha, who created not only the illustrations but also the overall Art Nouveau decoration – the cover, ornamental frames, initials, and typographic layout. The 1901 edition was published in a limited run of 800 numbered copies. The text is accompanied by decorative illustrations printed in color lithography. The publication ranks among the important Art Nouveau book projects by Alfons Mucha and represents one of his striking examples of book design.