Le conquérant du monde (Vie de Gengis Khan)[The Conqueror of the World (Life of Genghis Khan)]
First edition, of which no copies were issued on deluxe paper.
Illustrated, complete with the two folding maps at the end of the volume.
Inscribed by René Grousset: "A monsieur Benoist-Méchin en témoignage de profonde reconnaissance" and additionally signed by Geneviève Grousset.
Accompanied by a one-page autograph letter signed by René Grousset to Jacques Benoist-Méchin, in which he thanks him for his interventions on behalf of his son-in-law and daughter, whom he saved.