"I don't remember the title or the author, but..."

It had a K on the cover, which was white.

It had a ripped flag on the cover.  It was a political science book.

Literary Trends

Initially, the Institute of Literary Trends was founded to record the trends in cover designs.
However, thus far we've been too busy detailing the idiosyncrasies of our customer base to post any of these photos.  It's time to finally rectify that.

"I'm looking for this book; I don't remember the title or the author, but it was blue and it had, like, stars all over the cover."

"I'm looking for this book; I don't remember the title or the author, but it was a science book that had a cover like the visualizations old-school media players used to do for music."

"I'm looking for this book; I don't remember the title or the author, but it had a head in profile on the cover. It was non-fiction, if that helps."

See also: brains.

"I'm looking for this book; I don't remember the title or the author, but it was an economics book and it had money origami on the cover."

Michael Lewis has the laziest graphic designer ever.

"I'm looking for this book; I don't remember the title or the author, but it had a pair of old shoes on the cover.  I think it was an Oprah Book Club selection."

Also a trend, though certainly not intentionally: photoshop disasters--especially amongst sci-fi and fantasy covers.

Because human anatomy is hard.