Brevity is my nemesis. I know this because after writing a 339-page novel, I am now embarking on writing a one-minute book trailer that has me blocked. After three days, I succumbed to trawling Youtube in search of great book trailers and have come up with the best, I am certain. I am completely and utterly awestruck by the absolute perfection of the first line of Kelly Corrigan's now famous boo…