Anna Kavan (1901–1968) was a novelist, short story writer, and painter. Her works include Asylum Piece, Ice, and Sleep Has His House. She has been often compared to Djuna Barnes, Franz Kafka, Anaïs Nin, and Virginia Woolf. She was a long-term heroin addict and suffered periodic bouts of mental illness, and these facets of her life feature prominently in her novels and short stories.