"How to Make Your Novel a Page Turner," by Elizabeth Sims
The basic idea is to throw your beloved characters into trouble. It's a lesson I've been told before, but I can always stand to hear it again!
In Sims' article, the "trouble" is labeled a Heart-Clutching Moment, anything that makes your readers sit on the edge of their seats in suspense for what will come next.
There are a lot more tips than just that one, so head on over and ramp up your novel's page-turning potential.