Make yourself heard - I see far to many poo-poo letter writing and/or calling their reps because either they don't think one voice means anything or because their rep is a repug. Bullshit I say, do it. The more voices in favor of something will be heard.
Keep Politics out of the office - At happy hour, go for it and make your opinions heard but never start or get sucked into a political topic at work.
Get Involved - There are boat loads of great causes that would love to get your help even if you can only spare a few hours a week. Do it.
Vote - Nuff said.
Don't get discouraged - The world is a fucked up place and there is no way you are going to fix it all. Where you live may very well be a fucked up place and you may feel you can't even fix that but... If people don't get off their asses and start none of it will ever get done.
ehhh... Thats what I can think of off the top of my head 
Good luck with the book though, keep us updated on it!
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