2 volumes, 8vo (214 x 135 mm). 2 engraved frontispieces, 2 engraved title vignettes, engraved folding map with hand-colored route and coast. (Lacking 2pp. advertisements at the end of vol. II, map with a few tears less than 1 ½-in. crossing through the neat line with most repaired verso, slight marginal toning.) Early 20th-century half brown morocco, spine gilt-lettered, marbled edges (a few endpapers detached but present, some wear). Provenance: Shelf-marks on spine and to a few pages.

FIRST EDITION, FIRST ISSUE with the folding map at facing p.[1] in vol. II. After marrying Burton on 22 January 1861, Isabel was unable to accompany him to his post on Fernando Po; the couple was reunited in 1865 when Burton was transferred to Santos in São Paulo, Brazil and Isabel joined him to canoe down the São Francisco River, then relatively unknown, documented in Explorations of the Highlands of the Brazil. Penzer, pp. 78-80; Spink 39.

[With:] BURTON. Letters from the Battle-Fields of Paraguay. London: Tinsley Brothers, 1870. 8vo (221 x 140 mm). Half-title, engraved frontispiece, additional title with engraved illustration, folding lithographed map. (Map with a few short tears not crossing neat line, slight toning). Original blue cloth decorated in blind, spine gilt-lettered (spine darkened, some soiling and light wear, text block cracking). Provenance: Signet Library (signature). FIRST EDITION, FIRST ISSUE, in original blue cloth, of Burton’s eye-witness account of his visits to battlefields of the Paraguayan War (1864-1870), while serving in the diplomatic corps in Brazil. Burton did not see front-line fighting, but he witnessed events in one of the most lethal conflicts in the history of South America where approximately 400,000 people were killed, which included approximately 80 percent of Paraguay’s population. Penzer, pp. 84-85 (“This is a rare book”); Rice, Captain Sir Richard Francis Burton, p.501; Spink 45.