Bill Brooks was co-author of the NABCEP PV Installer Study Guide, along with Jim Dunlop.

Here is a link to the most recent NABCEP PV Installer Resource Guide:

Additionally, Bill is the author of the Solar America Board of Codes and Standards (solarabcs.org) Solar Expedited Permit Process, which he wrote under contract with the DOE and you can see here:

Sean White teaches many PV classes across the country and outside of the country. Click on the solarsean.com tab to learn more about Sean!