The diverse oeuvre of Hans Arp (1886-1966)--primarily consisting of sculptures, reliefs, drawings, collages and prints--is world-renowned, yet his sketchbooks remain relatively unknown. 20 Sketchbooks seeks to remedy this by reproducing as meticulous facsimiles 20 of Arp's small sketchbooks and spiral-bound pads, made between 1950 and 1966 and today held at the Fondazione Marguerite Arp-Hagenbach, located in Arp's last atelier in Locarno,...