The history of Zanzibar is prevalent in the work of Nobel laureate Abdulrazak Gurnah, including his new release, ‘Theft’, which is set in the 1990s and explores themes of injustice, class and personal growth. Abdulrazak speaks to Georgina Godwin about his upbringing in Britain following the revolution in his home country, his PhD on West African fiction and his transition from academia to fiction.