This picture shows the inhumanity toward humans in the book. It shows a dog fighting another dog, in the book the Nazis burn and do horiable things to the Jews when they are both humans. At first the Germans seemed nice and was more of a reasurring impression than anything but they soon realized they were worng. Later in the book the Jews turn on thier own people to becuase they feel like they have no one anymore besides themsevles.
Photo from:  new.cnet