For a copy of The Playwork Principles: click http://www.playwales.org.uk/page.asp?id=50 

For a copy of 'The Colorado Paper': click http://www.ludemos.co.uk/papers.htm

Do children need access to the natural world? Perry Else comments on this topic in this article written for SutcliffePlay’s magazine 'Playback' and reproduced here with their kind permission: click Playing: It’s natural?  © Perry Else, September 2009