RIGHI (François) Voyage aux cavernes du ciel. Ivoy le Pré, Righi, 1979, in-8 leaves, printed cover, slipcase. With 11 numbered etchings E.A., ex. n°x comprising only the set of etchings which in ordinary copies are printed in 2 colors, being here printed separately and in black for Tony Caswell, December 1979, and signed by the author. Caswell bookplate. Also included: RIGHI (François). Le songe d'un paonophile ou la seizième similitude. S.l., le tailleur d'images & Eric Lefevre, 1993, in-4, leaves in printed cover, with full-page etchings. One of 24 numbered copies (no. 19), signed by the artist. RIGHI (Francois). Summa pavonica. Paris, 1992, in-8, br. cover, with a set of H.C. 14 etchings signed by the artist.