James Stourton's new book explores changes from the power shift to the auction houses in the mid-20th century to the excesses of the 1980s and 90s

Modernist paintings by artists such as Zainul Abedin and Mohammad Kibria soared past their estimates at recent sales in New York

The show, which closes in May, highlights a golden age of pluralism under three monarchs from the house of Tamerlane

Artists who had long suffered threats and censorship contributed to, and then celebrated, the downfall last year of the country’s repressive regime

Oliver Hoare's memoir details the story of the ambitious exchange of an Iranian masterpiece for a painting by the Abstract Expressionist