First attempt. Placing type compositions on shelves.
Some type graphics—Russian language, math, and physics—are self evident, others need extra hints, like books for literature.
Second attempt. Switching to a ball point pen.
That's an F. The next attempt is to place some iconic objects on the shelves, such as a computer, beaker, microscope, globe, etc.
Conceiving an idea of the trick with portraits.
This idea passes the test. Moving on to internal pages.
The customer asks us to throw in some fun. The front page gets some enhanced portraits.