OurBigBook
This file, surprisingly, includes not-readme.bigb.
It is meant a more minimal interactive test of includes than the full blown README.bigb.
Here are some internal cross references to the includes: not the README, not the README 2, h2 in not the README.
And an internal cross reference to this file itself just in case: includes not README h2.
The includes follow here:
A header after the includes.