I recall, in college, writing what would now be referred to as a Bucket List. I don’t remember much of what was on it–publish 50 books and own a black stallion are the two items I remember. (Even at the time, the former seemed more likely than the latter.) A couple years ago I went to the Hill of Tara, which, thanks to Madeline L’Engle, was Bucket List material for me, and I tell you what, I think this is one for the Bucket List, too: Earth Meets Sky: the…