Read these in order for an understanding of FAST Agile™.
The process is also outlined in the pdf - FAST Guide.
I would recommend having some understanding and appreciation of Open Space Technology first however as this is core to the whole process.
Overview - for an elevator pitch on FAST Agile™
Values & Principles - the glue that holds FAST together
Prerequisites - find out if FAST is for you
Roles - who the players are in FAST
Facilities - office layout to maximize productivity
Release Map - the one and only artifact in FAST
Marketplace - the one and only meeting in FAST