For instance, Ngũgĩ wa Thiong'o's Mũrogi wa Kagogo (Wizard of the Crow) is the longest known book written in Kikuyu. Other authors writing in Kikuyu are Gatua wa Mbũgwa and Waithĩra wa Mbuthia. Mbuthia has published various works in different genres—essays, poetry, children stories and translations—in Kikuyu.