computer archaeology…what was your first?

Downbelow Station was the book that convinced me I had to get into computers. First Don Wollheim (DAW) said it was too long and maybe I didn't need all the scene-setting: you know that book has a lot of scene-shifts, some scenes only 10 lines long. So I rewrote it and took out all the setting and description. Don came back saying never mind the length, just put the stuff back in. But Betsy suggested time-stamps on the sections, and I liked that idea, so I did. But typing a book is about a 3 mont