I was trying to get to 20k last night but just got too tired. People have asked me what the secret is, and like with all magic tricks, the secret is kind of a let-down once you know what it is.
Finishing a book simply comes down to making the time. Ass in chair. The more your ass is in that chair, the more you write. Sounds too simple to be true, right? But that's how it works. Some days I'm more productive in 2 hours than I am in 4 hours, but for the most part, the more I'm in front of the computer, the more I will get done.
There have been days where I feel like I have nothing left to say, but still I sit down in front of the computer. If nothing comes, I think about the story in general. My mind usually drifts to the 3 or 4 really big scenes I've already planned for, and I grow excited and want to get back to work so I can get to those scenes. Sometimes all I have to do is ask myself how I can make the next part of the book the most exciting chapter ever. I resist the urge to put the laptop away or turn on the TV. Eventually I start writing and once I start, it's easier to keep going than it is to stop.
Wyetgerd's Ax is coming along nicely. The hero has "accepted" the call to adventure (right now he's doing it for the wrong reasons) and his decision will get him involved in a much larger conflict. From there, his problems escalate and, somewhere along the way, he truly accepts the call to adventure. This change of character from reckless, self-destructive youth to young man willing to stand up against evil was one of the things that drew me to the story. The other was the initial hook.
The more I think about it, maybe that's all I need to get excited about an idea. A strong hook and a character that develops over the course of the story.
Sounds too simple to be true, right?