The memoir traces a woman's upbringing, social debut, courtship and marriage to a celebrated explorer, and their shared life of extensive travel, colonial postings, and field expeditions. Using autobiographical fragments, letters, and journals, it portrays domestic devotion, intellectual partnership, and practical courage during voyages and remote residences, with accounts of island and continental tours and a South American expedition. The editor summarizes correspondence and illustrations, addresses contemporary controversies concerning her actions, and defends her motives, aiming to present a rounded portrait of character, self-sacrifice, and the daily realities of life alongside an extraordinary husband.