Everybody’s got a novel or screenplay or sheaf of poems stuck in their desk drawer or hard drive somewhere; and if not, they’ve got it all written out in their head. Many things keep those works from ever seeing the light of day, most particularly publisher or agent indifference, and sometimes reluctance to part with the work until it’s in perfect shape.
Bestselling authors don’t have that problem. If you’re the New York Times bestseller-list haunters like Stephen King or Malcolm Gladwell, one imagines that with few exceptions you could find a house to publish anything you damn well please. If Tom Clancy wanted to write a book of children’s verse, eventually he’d find somebody to put that one out, likely with a big bold “From the author of The Hunt for Red October” slug on the front cover, just above the watercolor picture of a kitten and puppy frolicking together.