Book excerpt: Twenty-five leading artist duos and collectives give insight into how and why to work collaboratively Art history is traditionally presented as the individual's struggle for self-expression, yet over the past fifty years, the number of artists working collaboratively has grown exponentially. Co-Art: Artists on Creative Collaboration explores this phenomenon through conversations with twenty-five leading art-world pairs and groups, who offer insight that is relevant beyond the art world, making this book vital for all who seek to work creatively and effectively with others. Artists featured: Allora & Calzadilla, Assemble, Auguste Orts, ayr, Biggs & Collings, Broomberg & Chanarin, ChimPom, Claire Fontaine, DAS INSTITUT, DIS, Elmgreen & Dragset, Eva & Franco Mattes, GCC, Gelitin, Guerrilla Girls, Iain Forsyth and Jane Pollard, Jane and Louise Wilson, John Wood and Paul Harrison, LaBeouf, Rönkkö & Turner, Lizzie Fitch/Ryan Trecartin, Los Carpinteros, Pauline Boudry/Renate Lorenz, Raqs Media Collective, SUPERFLEX