This summer I had the rare experience of sitting around and reading great books in a log cabin by log Tahoe (unlike Thoreau, I didn't build it with my hands). One of the books I enjoyed was "A Brain Wider than the Sky" by Andrew Levy. As a migraine sufferer myself, I was looking for confirmation (which I found) that many famous writers and artistic geniuses suffered from migraines, and that in fact the pain, ...
If you're interested in religious mythology, astrological symbolism, or supernatural folklore, grab my book Gods of Myth and Man. You can go buy it on Amazon.