Frontier tales : Tokugawa Japan in translation / Robert Liss -- The Asiatic enlightenments of British astronomy / Simon Schaffer -- Mapping knowledge go-betweens in Calcutta, 1770-1820 / Kapil Raj -- Friendship and knowledge : correspondence and communication in northern trans-Atlantic natural history, 1780-1815 / Margaret Meredith -- Full steam ahead : entrepreneurial engineers as go-betweens during the late eighteenth century / Lissa Roberts -- Spies, dyes and leaves : agro-intermediaries, Luso-Brazilian couriers, and the worlds they sowed / Neil Safier -- Fugitive colours : shamans' knowledge, chemical empire and Atlantic revolutions / James Delbourgo -- Across nations and ages : the Creole collector and the many lives of the Megatherium / Juan Pimentel -- Self preservatioln : French travels between Cuisine and Industrie / Emma Spary -- Boundary-crossings, cultural encounters and knowledge spaces in early Australia / David Turnbull -- Between a rock and a hard place : some afterthoughts / Sanjay Subrahmanyam