The week after my appearance on NPR (August 2012), I ritualistically checked my Amazon ranking for Bill the Boy Wonder: The Secret Co-Creator of Batman.
The highest rank I saw:
It may never go higher. But then there’s the thing with Batman. He’s a loose cannon. Unpredictable. Could sneak up on you and you wouldn’t know it till your front two teeth were whirligigging across the sidewalk.