Published on the occasion of the exhibition at the Maison européenne de la photographie (Paris, April 20th - June 18th 2017), as the preavious books in 2007 and 2013, this year's catalogue offers a great opportunity to look back over the career of a French photographer and artist whose body of work is so coherent that it seems necessary to approach it as a whole. Only then can we grasp the meaning of Martial's new series, Body ergo sum.