The Play Cycle: Theory, Research and Application - Paperbackby Pete King (Author), Gordon Sturrock (Author) Twenty years after Gordon Sturrock and the late Professor Perry Else's 'Colorado Paper' introduced the Play Cycle, this theory of play now supports professional playwork practice, training and education. The Play Cycle: Theory, Research and Application is the first book of its kind to explain the theoretical concept of the Play Cycle, supported by recent research, and how it can be used as an