VALADES, Didaco. Rhetorica Christiana ad concionandi, et orandi vsum ac commodota ..., [Perugia: P. Petrucci, 1579]. 4° (230 x 170mm). 13 engraved illustrations, 4 full-page, woodcut device at end, folding printed table (lacks the 5 plates, Dd1 (a leaf of index), and the final blank, worming in the last third affects text and the folding table, fore-margin of title very frayed, occasional waterstaining and browning). Contemporary limp vellum (rather cockled, small hole in upper cover). Sabin 98300; Alden and Landis 579/50 'Manual for instruction of missionaries to Mexico, describing indigenous rites & customs, etc.'.