How to Craft a Logline (and why you should do it before writing your book)

I like to start writing my novels by creating a logline. It's a way to pinpoint and keep track of the core of my story and its main character, premise and plot, so that when I'm plotting, designing characters, and writing my chapters, I won't get lost in piles of notes and scenes, trying to figure out what the whole point of the story was supposed to be over and over and over again.

I can just look at my logline and it becomes instantly clear what I'm writing and what the story is supposed to be ...