Bibliografía (8 obras)
The First Pajama Party (Groovy Girls Sleepover Club)
2005
Pranks a Lot (Groovy Girls Sleepover Club)
Rock and Roll (Groovy Girls Sleepover Club)
El Gran Libro De Los Juegos De Creatividad
2003
The Big Book of Stress Relief Games
2001
Liberty, Property, and the Law (Liberty, Property, and the Law, 4)
2000
Estee Lauder
Progress in behavioral studies
1989