The first book to consider the conceptual, thematic and material development of Shawcross's art, from the extraordinary machines that marks his emergence in the early 2000s to his most recent projects, which extend the possibilities of art in the public realm, examining the geometries and topologies with which he has experimented, and exploring his ongoing interest in the tension between the rational and the irrational. Psychogeometries is published by Elephant in association with Victoria Miro Gallery.