this is a must read it and loved it Mikhail Bulgakov, 1926. Author of The Master and Margarita - has a fascinating and tragedy back story. Also history of how it finally got published is eye opening about life in late period of USSR
He developed a dependency on laudanum for 16 years. He traveled to Italy and Malta for 2 years to try to help his health. He wrote the Rime of the Ancient Mariner. It was the inspiration for Frankenstein.