The prolific author just published his 61st book The Institute and a movie based on his popular 1986 novel IT is currently out in theaters with the title IT Chapter Two and another of his titles Doctor Sleep is on the way to the big screen. And that’s only the tip of the iceberg with his current works. Given he’s about to turn 72, however, late night host Stephen Colbert recently wondered aloud whether the author might be close to retirement.