Convergences: What We See When We Remember Keyholes in Covers

I'm very much looking forward to reading Peter Mendelsund's What We See When We Read. Mendelsund is a terrific book designer, so his thoughts on what happens to our brain on books -- what we visualize -- should be fun. (Here's an excerpt that touches on Anna Karenina.) I was also surprised when I saw the cover for his book:

Because here's the first thing it reminded of:

About which you can read here or here. 

The keyhole motif is not that uncommon -- here's what Google Images pulls up when you do the search -- but to the question, What do you see when you look at the cover for What We See When We Read? The answer is: A former ballerina's book-length memoir about a particular sexual act.

Nabokovilia in David Mitchell's Cloud Atlas

From David Mitchell's remarkable Cloud Atlas:

Speak, Memory. No, not a word. My neck moves. Hallelujah. Timothy Langland Cavendish can command his neck and his name has come home. November 7. I recall a yesterday and see a tomorrow. Time, no arrow, no boomerang, but a concertina. Bedsores. How many days have I lain here? Pass. How old is Tim Cavendish? Fifty? Seventy? A hundred? How can you forget your age? (354)