 Atheis ( English : Atheist ) is a 1949 Indonesian novel written by Achdiat Karta Mihardja and published by Balai Pustaka . The novel , using three narrative voices , details the rise and fall of Hasan , a young Muslim who is raised to be religious but winds up doubting his faith after dealings with his Marxist – Leninist childhood friend and an anarcho @-@ nihilist writer . 
