In 1946, when Picasso received the offer to use one of the great rooms in the castle at Antibes as a studio, he exclaimed enthusiastically: "I'm not only going to paint, I'll decorate the museum too." The result was a series of paintings and drawings that reflected the jubilant spirit, the joie de vivre, of a country that was free once more. Picasso later added sculptures, graphic works, and ceramics to this collection, forming the basis for what...