She kept track of the dangling narrative threads by sticking Post-it Notes around her computer monitor.

WSJ: How to Kill a Vampire (Series)

So much so that he was TAKING NOTES on his computer and DOING CALCULATIONS from equations in the book.

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As Apple Insider notes, the computer is one of six that's accounted for out of 50 that are likely still out there -- ensuring these will only remain for folks with deep pockets indeed.

ENGADGET: Apple I fetches $374.5K at Sotheby's auction, Steve Jobs Atari note goes for $27.5k