I'm reading "Summer for the Gods". I've had it on my list (and bookshelf) for a couple of years but am just now getting around to it. Frankly, I'm glad I waited, because it turns out that reading it right in the middle of my Big History course is the pe... I just started a class on 'Big History' on Coursera. I'm really excited to get deeper into it, but for now, I just can't stop thinking about Threshold number 5 (collective learning) as the monolith showing up. :P The leaders of Larinah's blog thought you might also enjoy participating in messier51, so they've made it a part of their community neighborhood! Check out the rest of Larinah's blog community's neighborhood here.