BEAUVOIR (Simone de). Set of 2 works: - LETTERS TO NELSON ALGREN. A transatlantic love 1947-1964. Text established, translated from English and annotated by Sylvie Le Bon de Beauvoir. Paris : Gallimard, [1997]. - In-8, paperback. First edition. Copy on publisher's paper, enriched with an autograph signed by Simone de Beauvoir, 1 page in-4, giving authorization to Claude Francis and Fernande Gontier "to make the transcription of (her) letters to Nelson Algren", and two typed letters signed by the novelist, one addressed to Claude Francis and the other to Fernande Gontier, dated June 9, 1985. These two letters are identical, in which she "entrusts the task of establishing the text of (her) letters to Nelson Algren, whose 1682 manuscript pages are deposited in the Nelson Algren collection of the Department of Unpublished Works at Ohio University, and of preparing the material of the notes for a critical edition. - LA FORCE DES CHOSES. Paris : Gallimard, [1963]. - In-8, paperback. First edition. Copy on publisher's paper.