How long it takes to write a book depends on its length.
It's a tough job to tell a story when the audience already knows the ending, and the ending is bleak.
The mass-market paperback, for one, is too expensive.
I went to college, though I didn't take many writing courses.
I've experienced writer's block, but never for more than a few days.
When state and religion are one, religion becomes a means for the powerful to remain in power.