You could just start with the Beginners’ Guide to Puppetry. This really is more about professionalism than about giving you a "here’s how you build a puppet from A to Z" type article. For that, well, as I  say, head here.

This is one of those topics that irks me, because it’s a lot of myth and a lot of misunderstandings amongst the general public about how to go about making ‘professional puppets’. In this article I hope to both shed some light on those myths, and show you how you can go about doing it yourself at the same time. So let’s start with the basics: what do we mean by ‘professional’?