RIGHI (François) Voyage aux cavernes du ciel. Ivoy le Pré, Righi, 1979, in-8 sheets, printed cover, slipcase With 15 etchings (of 16) in 2 colors. One of 5 ex. on Arches vellum, each augmented with a striped plate (n°4/20) and signed by the author. Ex-libris Antony Caswell. Also included: RIGHI (François). Eighty-one letters to Victor Segalen. Paris, la Passerelle, 1981, in-8, br. cover, limited edition of 500 numbered copies, signed by the artist.