Ian Johnson is the author of Tributary - an open source live-coding environment designed for prototyping data visualizations with D3. He also co-organizes the SF Bay Area d3 Meetup and makes educational D3 videos.
Bay Area D3 and Tributary
There will be six sections to this course. An SVG overview, a look at the binding and non-binding APIs, reusable charts, application patterns, and finally some useful links and resources.