My husband came to my rescue and recreated for the omnibus cover the exact same look of the books in the Ginecean series. I merely played with the final product.
Roberto’s masterpiece in all its splendor:
My only contribution was to slightly change the effects on the two chosen images:
I think we have a winner.
Monica La Porta 
[…] posted some of my most recent “homework” on my blog. And this is the cover my husband made for The Ginecean Chronicles omnibus. I chose the art and worked on the images, and I think he did a great job in matching the typeface […]