HOW TO SOLVE SANBORN'S KRYPTOS: PART 3 - ABSCISSA

How to derive the keyword 'ABSCISSA'

They're here for a reason.

You'll see why we do this.

For storage. Notice the half-box next to 'POSITION'.

Just fill up all the boxes.

As mentioned in Step 1, you have to look carefully for anything unusual. If you look carefully at pictures of the Morse code, you'll notice that all the E's are fully formed, that is, nice and completely round. Except for this one. It is not a mistake. There is plenty of room for the full 'dot'. You can tell that the 'dot' was first drilled out and then cut through the center deliberately.

Now we're set for the fun part.

You usually find the word scramble puzzle next to the crossword puzzle in the newspaper.

As mentioned in step 2, we'll be using this clue again.

Just about there.

So there you have it.

So if you followed Part 1 - 3 , you now have some idea of the tricks that Sanborn uses. And it just gets trickier as we go on.