Should museums be made to give back their marbles? Is it even possible to 'decolonize' our galleries? People are waking up to the seedy history of the world's art collections and asking difficult questions about what the future of museums should look like. Art historian Alice Procter provides a manual for deconstructing everything you thought you knew about art and fills in the blanks with the stories that have been left out of the art history canon for centuries.