Book excerpt: "Migration throws objects, identities and ideas into flux across a global network of travelling cultures. Examining life-changing journeys that transplanted artists and intellectuals from one cultural context to another, Exiles, Diasporas & Strangers offers a thematic overview of the critical and creative role of estrangement and displacement in the story of 20th-century art.Revealing the traumatic conditions that shaped numerous variants of modernism – among indigenous artists in Australia and Canada as much as émigré art historians from Central Europe – these critical studies also highlight multidirectional patterns of cross-appropriation that trouble the settled boundaries of national belonging, whether manifested in 1920s Nigeria or in post-modern works by black British artists of the 1980s. Coming up to date with historical perspectives on conceptual art’s engagement with alterity, Exiles, Diasporas & Strangers makes a unique contribution to art history’s rapprochement with the post-colonial turn.--