Frontmatter -- Map -- Contents -- Editorial: Discerning Structures - Recovering Meaning -- Space on the Move. Perspectives on the Making of an Indian Ocean Seascape -- The Segmentation of the Indian Ocean Region. Arabs and the Implementation of Immigration Regulations in Zanzibar and British East Africa -- Subaltern Networks under British Imperialism. Exploring the Case of South Asian Maritime Labour (c. 1890-1947) -- The Indian Ocean World and a Very Small Place in Zanzibar -- Who are the Zanzibari? Newspaper Debates on Difference, 1948-1958