It's official!
https://sites.google.com/a/stanford.edu/microfoundations1/
Downloadable for FREE!
As a proof, I upload the first chapter.
Disclaimer
I am not an economics student.
Just came across the post below and did a quick google search and surprisingly the official student guide is available for FREE
Economics students may find it useful
As per the discussion below, I upload the other chapters but I am going to charge a price to compensate for the fact I actually did the work: