Hanji-e "picture riddles" BookDuring the Edo period (1603 1868), "picture riddles" or "Hanji e" were very popular among the general public, from adults to children. They included Edo landmarks, maps of Japan, names of popular actors, sumo wrestlers, and legendary figures, as well as everything from food, plants, animals, and animals, to self indulgent tools, children's games, people's desires, and even letters. From food, plants, animals, and animals, to tools, children's games,