If you're in a hurry to be published, which I was in my earlier days, beware. You don't want to pick a peach before it's ripe. A good book takes time, re-examination, and more time. Just having a good story isn't enough. Ask yourself: What do I want to give to my readers? Then let that idea ripen with writing and re-writing. The problem and the stakes must be right up front and center, and they must be compelling. The plot needs adept pacing. And, of course you know the writing must be polished. Every extraneous word, phrase, passage, must go. No room for ego. When your reader asks for clarification, re-visit that section; question your intent for that particular passage. Writers need dialogue with trusted, honest readers. Be willing to listen. Sometimes be willing to ignore. But mostly listen. Great books are rendered, carved, and delivered through dogged, mad, single-minded persistence. That said, it helps to approach the work playfully and humbly. Writing is also a means for self-discovery. Be willing to be surprised. Now, if only I could follow my own advice!