Everything IB -related.

IBO org.- Official website

IB teachers using Twitter - If you have a Twitter account you can follow these teachers

Resourcing the PYP, MYP , DP - Resources, ideas, concepts put together for a better understanding of the IB mission

Taking the PYP Forward - Google Books introductory part

BBI Inquiry Thoughts - Reflections on Inquiry Learning wiki

PYP Professional Development Books - List of PYP books curated by Katie Day (PYP librarian)

IB CLever - Another IB community sharing practices, resources, ideas, reflections

PYP Chat wiki