Read more. I've read a few books already this year (half of a 600 pager about globalization, A Clockwork Orange, and I finished Everything You Need to Survive the Apocalypse). I've been reading more news articles. I'd like to get Portable Atheist soon and finish it before the birthday.
The Passage by Justin Cronin. An excellently-crafted modern day dystopian thriller with viruses, government conspiracies, and vampire/zombie-like creatures. Creative and well written. Click through for full review. Via Diamonds in the Library.
Since it's not as comprehensive as the Peterson's Guide, probably want this just as a second resource since it also deals with how to *prepare* the food once you get it, whereas the Peterson's guide just tells you how to *identify* it.