The sketchbooks of 18th century artist Katsushika Hokusai are packed with humour, charm and glimpses of everyday life. Pie Books in Japan has just published them as a beautiful collected edition... Shunro, Taito, and, later in life, Gakyo Rojin or ‘Old man mad about painting': Japanese artist and illustrator Katsushika Hokusai (1760-1849) went by several pseudonyms. But the Hokusai moniker by whic