Ágota Kristóf was a Hungarian writer, who lived in Switzerland and wrote in French. Kristof received the European prize for French literature for The Notebook (1986). She won the 2001 Gottfried Keller Award in Switzerland and the Austrian State Prize for European Literature in 2008.
Kristof's first steps as a writer were in the realm of poetry and theater (John et Joe, Un rat qui passe), which is a facet of her works that did not have as great an impact as her trilogy. In 1986 Kristof’s first novel, The Notebook appeared. It was the beginning of a moving trilogy. The sequel titled The Proof came 2 years later. The third part was published in 1991 under the title The Third Lie. The most important themes of this trilogy are war and destruction, love and loneliness, promiscuous, desperate, and attention-seeking sexual encounters, desire and loss, truth and fiction.