"Be Here Now" is an interesting read because it starts out with the LSD experimentations in Boston and ends up with a guru in India. There are scenes regarding the effect (or rather no effect) the LSD has on the guru...
As far as the "only while you're meditating" thing, zen meditation is interesting because (based on my limited understanding) zen is really about taking the practice of your meditation and extending that "mindfulness" into the rest of your life. "Zen Mind Beginners Mind" is particularly good if you're interested. Zazen is one form where you are eyes-open.
As far as the "only while you're meditating" thing, zen meditation is interesting because (based on my limited understanding) zen is really about taking the practice of your meditation and extending that "mindfulness" into the rest of your life. "Zen Mind Beginners Mind" is particularly good if you're interested. Zazen is one form where you are eyes-open.