This is the revised edition of Patrick Seguin's 2013 volume on Jean Prouvé's Maison Démontable 6x6 Demountable House. It includes new images and layout. At the end of the Second World War, Prouvé began designing temporary houses for the homeless in Lorraine and Franche-Comté in eastern France, using his patented axial frame as the basis for modules of various sizes.