This or that – Chronological order?

Today’s “this or that” question is: Do you write a book in chronological order or do you jump around?

I’m in the latter group. I write scenes as they come to me. The first scene is usually first, but I nearly always write the last scene next.

This process may go back to a conversation I had with my trigonometry teacher in high school. I was complaining to him that I could never draw a straight line. He told me to draw both endpoints, then put the pencil on the point A, lock my gaze on point B...