In case you're interest in reading his book online - or 'running' it, here it is:
https://notebooks.azure.com/wesm/libraries/python-for-data-a...
If you want to read, click on any notebook, for example:
https://notebooks.azure.com/wesm/libraries/python-for-data-a...
If you want to run, click Clone, sign in, then Run. It's basically a collection of Jupyter notebooks. This is from his personal repo.
[disclaimer: work at msft]