The unbearable lightness of being

The Unbearable Lightness of Being (Czech: Nesnesitelná lehkost bytí) is a 1984 novel by Milan Kundera, about two women, two men, a dog and their lives in the 1968 Prague Spring period of Czechoslovak history. Although written in 1982, the novel was not published until two years later, in a French translation (as L'Insoutenable légèreté de l'être). The original Czech text was published the following year.