the first time was for a book about the miniatures of kalila damnei in texts from the 8th century ah, but this time for a book. okin stayed in iran for several years and did field research. his research and analysis covers a wide range of the history of writings. the book "studies of iranian architecture", winner of the world book of the year award, is his writing about a wider range of topics related to architecture in iran. the author has tried the book with 300 complete color photo of iranian architecture. these photos have not been seen until now, from tiling to the formation of domes of iranian mosques, the buildings of important governments of the middle centuries such as the seljuks, the il-khwanians and the timurids, to the closed monuments of iranian architecture from al muzaffar and the uzbek monuments in afghanistan are the subject of his research. . in this book, i have collected 26 articles on various topics such as history. iranian mosque, historical monuments of the timurid period, lesser-known dynasties such as jalairi and mozaffari. i also discussed in detail the subt