The Sufistic Quatrains of Omar Khayyam: In Definitive Form is a book that was originally published in the year 1908. It is a collection of quatrains or four-line poems by the Persian mathematician, philosopher, and poet Omar Khayyam. The book is considered to be a definitive edition of Khayyam's quatrains, as it includes a comprehensive introduction to his life and work, as well as a detailed analysis of his poetry.The quatrains in the book are written...