Alexander Scott’s narrative of his captivity in the Sahara in the early nineteenth century presents a curious example of how information of foreign lands was received and legitimized in Britain. Through the input of individuals such as Joseph Banks and James Rennell, Scott’s tale was presented as an authoritative account of the inaccessible West African interior. This article pursues this process of authentication and demonstrates how elements of the editors” preconceived notion of the region colored the subsequent text and associated cartography.