The subject of this book is a deceased prop, an object of a particular color, the green of cinematic trickery and special effects. It edged itself into Shahryar Nashat's work in 2011, first appearing in Factor Green, an installation the artist produced for the Venice Biennale. Taking its final form a year later, the prop became properly known as La Shape and garnered critical acclaim for its sardonic personification of an unscrupulous impresario...