Digging in the archives just now, I came across this title from Shoemaker & Hoard (now merged into Counterpoint). This book was ripe with imagery. From Amazon: These nine stories hinge on the damaged contemporary body;battered, conjoined, disfigured by plastic surgery, abandoned, intoxicated, in drag or rendered uninhabitable by obesity, desire or deformity. With freak-show imagery tempered by sympathy, Jablonski conjures outcast protagonists...
Sure, showing disfigured bodies is one thing, but how to do so in a way that is intriguing to a book buyer...and not too off-putting? Well, my first thought was dolls, because they can take on a pretty creepy feel with the right lighting. I also researched famous twins such as Chang and Eng Bunker and the Hilton Twins via the author's notes.
Here is the suggestion of cojoined twins using dolls:
Historical photos (the ornamentation on the first one is supposed to be bizarre and circus-like):
A close up of the body:
And the final using a doll. The close up of the face is disconcerting, the cut arm, and the type is slightly off: