The way I draft now (i.e. the reason I'm always carrying around little slips of paper)

I'm working on another book now--a middle-grade novel--and I'm using a very different technique for drafting and outlining it. You see, my problem with a lot of books has been that I'd get twenty or thirty or fifty thousand words into it, and then I'd discover that there's just not that much there. But, on the other hand, I'm a terrible outliner. I writ…