The Roads to Freedom

The novels were written largely in response to the events of World War II and the Nazi occupation of France, and express certain significant shifts in Sartre's philosophical position towards 'engagement' (commitment) in both life and literature, finding their resolution in the extended essay L'existentialisme est un humanisme (Existentialism is a Form of Humanism).

His separation from his accustomed life in Paris and the leisure and structure of his war work led him to continued introspection during this period.

Louis Parrot writing for Les Lettres francaises said, "Jean-Paul Sartre has definitely taken his place among the greatest French writers of our day... His powerful talent has affirmed itself with rare brilliance."

Gaéton Picon writing for Confluences said, "If Sartre's ambition was to force the doors of literary history, he has succeeded.. Like all great novelists, he also enjoys the privilege of having a universe of his own."

[11] Extracts of the third novel in the trilogy, Iron in the Soul (or Troubled Sleep), appeared in the journal Les Temps Modernes in January and June 1949,[12] and it was published in book form later that year.

"The first novel, L'âge de raison (1945; The Age of Reason), centers on philosophy professor Mathieu Delarue's uncertainty over whether to devote himself to his pregnant mistress or to his political party.

The second volume, Le sursis (1945, The Reprieve), explores the ramifications of the appeasement pact that Great Britain and France signed with Nazi Germany in 1938.

In the third book, La mort dans l'âme (1949; Troubled Sleep, published in Great Britain as Iron in the Soul), Delarue ends his indecisiveness by attempting to defend a village under attack from the Germans.

In volume 2, Le Sursis, the time-span is a week, but the viewpoint shifts more rapidly, moving sometimes within a single phrase from one character's perspective to another's...

The lack of punctuation, the juxtaposition of perspectives, and the intensity created by the single focus of a multiplicity of characters work together to convey the common humanity and intersubjective experience of the French on the verge of war... Volume 3, La mort dans l'âme, reverts to a slower pace of perspectival change.

George H. Bauer and Michel Contat had painstakingly reconstructed the intended novel from Sartre's "completely unorganized manuscript pages.

"[23] Hayman pointed out that although Sartre "managed to complete nine original plays, seven short stories, and several screenplays, nearly all his other major projects in literature and philosophy were abandoned."

"[25] Simone de Beauvoir is quoted as saying, "Without having abandoned the idea of a fourth volume, he always found work that needed his attention more.

[30] The entire series was screened by the British Film Institute over the weekend of 12–13 May 2012, attended by the director and several surviving cast members.

Sartre's Paris on the Eve of War – "Gaiety...Cafes". An engraving by Iain McNab. (Published in The New York Times in the book review of The Age of Reason , July 13, 1947)