Really, really excellent book. Though the premise - is there really a separation between animals and their biomes - seems already known, the author brings you on a fantastic romp through all kinds of microbial adventures.
The many examples of symbiosis and dysbiosis are so well written that most of the book feels like a well-made nature documentary.
By the end, you'll stop eating probiotic supplements but you will seriously contemplate eating somebody's shit
There's a method of gardening called Korean Natural Gardening that propagates the indigenous microorganisms (IMOs) in the soil for your particular plot of land and then makes a solution that you use as a fertilizer instead of the petrochemicals normally used. Supposedly gives results an order of magnitude better than the petrochemicals.
I don't have a lot of experience with vampires, but I have hunted werewolves. I shot one once, but by the time I got to it, it had turned back into my neighbor's dog.