published in 1998 in four volumes, an analytic history of persian modern poetry was the first extensive research work done on the contemporary persian poetry. it starts from 1905 and goes year by year describing the events in iran's political and social scenes, poetry and criticism conditions, literary magazines and poetry books published each year along with selected reviews including a brief review by the author up until 1979. in order to focus on research shams langeroodi did not publish any poetry book for 10 years.