Собачье сердце

Собачье сердце (Heart of a Dog) is a satirical novella by Mikhail Bulgakov, written in 1925. It was rejected for publication at the time and circulated in samizdat until it was officially released in the Soviet Union in 1987.

In Moscow in the mid-1920s, Professor Filipp Preobrazhensky, a successful surgeon, takes in a stray dog named Sharik. With his assistant Dr. Bormenthal he transplants a human pituitary gland and testicles into the animal. Sharik gradually becomes a man, Poligraf Poligrafovich Sharikov, but he is coarse, rude and hostile, and he allies himself with the new house committee. The professor's orderly household is soon in chaos.

The book is a sharp satire on the Bolshevik revolution and on the idea of engineering a new kind of person, told with dark comedy and a science-fiction premise.