If you want more information about Andrea Gibson, this is the website to go to. At angreagibson.org you can buy their products (books, albums, even t-shirts), read their bio, and watch videos of their performance.
This is Andrea's tumblr blog, they post pictures and quotes from their latest work and performances.
This is where you can find an interview with Andrea Gibson for Autostraddle. The interview gives a lot of insight about what/who inspires them, their life, their activism, and what gives them hope.