Shiraz is an author of about forty poetry books and translations. His rich vocabulary and sensitive style, enhanced by folk and colloquial elements, made his poetry one of the highest achievements of Armenian literature. Critics consider many of his works masterpieces. According to Paruyr Sevak, "The modern Armenian poetry has risen on the ridge of Shiraz". "Shiraz is a great talent, we should be proud and consider as a great honor that we personally know him", wrote William Saroyan. Shiraz built his poems with Armenian "tuff of emotions", added Yevgeny Yevtushenko.