- Léo Taxil - The Amusing Bible
- James George Frazer - The Golden Bough
- Mircea Eliade - A History of Religious Ideas
You may share socialist views, but the path of Marxism is the path of materialism. Studying the works of the classics one will inevitably encounter a materialist dialectic that is incompatible neither with religions (a form of idealism) nor with agnosticism.
https://youtu.be/3xQmJ_vxHB4