12 books • 4 series
Robert B. Parker's Someone to Watch Over Me (Spenser, #49)
Children's Folklore
The Ambiguity of Play
The Masks of Play (TASP, Vol 8)
Toys as Culture
A History of Children's Play
Folk Stories of Children
The Folkstories of Children (Publications of the American Folklore Society)
Play and Learning
Folkgames of Children (American Folklore Social Memorial S.)
Study of Games
Child's Play