A Glimpse into the Religious Studies of Hjalmar Söderberg While the Swedish writer Hjalmar Söderberg (1869–1941) gained a worldwide reputation with his fiction, his later studies in the history of religion, with their discussions of daring reconstructions and interpretations of Biblical events, are more obscure. Of his three monographs on religious history, the paper focuses on his début, The Fire of Yahweh (Jahves eld, 1918). The key thesis about the story of Moses as proposed by Markel, the protagonist, claims that the supernatural events in the Book of Exodus which took place on and at the foot of the mountain, and were witnessed by the Israelite crowd from a distance, were in fact an elaborate and spectacular form of pre-Jewish worship in the area. According to Markel, the fire, smoke and thunder accompanying God’s appearances in the Bible were simply a spectacle for the crowd, and these ‘special effects’ might well have been produced by Moses and his successors through gunpowder. The final part of the paper outlines Söderberg’s immersion in his time and in the spiritual and intellectual shifts of the period, as well as his attitude to religion as demonstrated in some examples of his fiction. Keywords: history of religion, Swedish literature, Moses, Bible interpretation, early 20th century thought