How a Book is Made (at Eerdmans)
EerdWorld has a cute post on How an Eerdmans Book is Born (in Sixteen Easy Steps). The most telling hurtle is step 2, Project Development:
An editor works with an author or editor to turn a good idea into a good book. This can take a while, but it’s almost always worth the investment of time and effort that goes into it.
Another reminder that all writing is in some sense rewriting.