"Promise at Dawn" is a semi-autobiographical novel that explores the life of a young man growing up in Eastern Europe, and later in France, under the shadow of his ambitious and eccentric mother. The protagonist's journey takes him through various phases of his life from his childhood, through his experiences as a pilot in World War II, to his adult life as a diplomat and a writer. The story is a tribute to the protagonist's mother, who instilled in him the values of courage, resilience, and the pursuit of grandeur, even in the face of adversity.

"Le Diable au corps" is a French novel focusing on a teenage boy who engages in a passionate and scandalous affair with a woman whose husband is fighting at the front during World War I. The novel explores themes of love, betrayal, and societal norms, while highlighting the consequences of their illicit relationship, including the woman's pregnancy, the boy's expulsion from school, and the tragic death of the woman during childbirth. The story is a poignant portrayal of youthful recklessness, war's impact on society, and the destructive power of love.