With Craig’s return from China the library kids had some interesting math to do. How many renminbi does it take to make a dollar? (6) and how many of these strange coins and brightly colored notes equal 6 renminbi? The incentive was great. Figure it out and you go home feeling rich with a pocketful of Chinese money. Each rich kid had about eleven cents worth of foreign gelt in their pocket when they left–and all left satisfied.