Hah, wow, interesting timing. I just finished reading a decent book on Kindle about Solar Impulse: http://www.amazon.com/gp/aw/d/B00Q56MYUC

It was a bummer Solar Impulse wasn't able to do the non-stop pacific ocean leg, but still, it's pretty amazing. I'm surprised that this just hasn't picked up more news coverage. :( It's completely historic..