Art departments in publishing firms must follow trends.
Consider the following:
Come Back: A Mother and Daughter's Journey Through Hell and Back, by Claire Fontaine
The Middle Place, by Kelly Corrigan
The Hour I First Believed by Wally Lamb
I guess the Madison Avenue big wigs (who certainly know more than I) sit around a big, expensive table and answer questions like, “Hey, I’ve got a great idea – I think pictures of children floating in air will really convey the essence of this book – whaddya think?"