Cover Coincidence: Profile Pics

A "Cover Coincidence" post is the occasional post prompted by the question, "Where have I seen this before?"

This intriguing cover was on the NoveList Homepage when I gave a lesson on how to use the database. I immediately thought of this must-read important book: 

And later spotted:

While the third is a bit of a stretch what with the addition of color, the first two are solid - stark white profile on blue background.