These are the Notes From The Mathematical Underground that appeared in the AMATYC Review from Fall 1994 to Fall 2003.
It should be noted that this having been a column, the installments were not single topic and thus were not titled so that the following titles are post facto approximations whose purpose is mainly to give some vague idea of the contents.It should also be noted that these are the texts I sent to the Editor rather than copies of pages of the Review; as such, and inasmuch as these are the texts I found in my archives, they may not have been the exact very last version.
I don't think the following ever got published and I don't remember why. In any case, for what it's worth, here it is:
Radically Down Below: The Botton Line