This book is a selected collection of the scholarly production on Middle and New Persian literature by professor emeritus Bo Utas, Uppsala University, presented to him on his 70th birthday. Out of 19 articles, 15 are in English and four in French. Of special interest is an article entitled ''Genres in Persian literature 900 to 1900''. Other articles deal with, among other subjects, the influence from Sufism on the Classical Persian poetry, non-religious Book Pahlavi literature, Modern Persian literature, New Persian prosody, and manuscript edition.