Published in 1976, One Potato, Two Potato contains a wealth of information on children's folklore, songs and chants. The authors, Mary and Herbert Knapp, have researched rituals and games passed along in schoolyards and street corners. Some are offensive, some are disgusting, and all are interesting. Chapters include "The Games Children Play," "Prestige and Power" and "Coping with the Here and Now." Each section is devoted to different subject matter. There are telephone jokes (such as the well-known "Prince Albert in a can" inquiry), riddles, clapping games, and parodies of vintage advertising jingles. This is a useful sociological work, but it's also a delight to browse.