Cities are the jungles of the human animal. Here — in the flophouses and swank hotels, on street corners and in penthouses — the city’s bizarre and savage drama is acted out by men and women seeking each other in a wasteland of passion and illusion in much the same way the tiger seeks his prey in another wilderness.
Back cover painting here :
https://www.comicartfans.com/gallerypiece.asp?Piece=1186509