I just had to find out, so I did what any researcher would, and fired up DUckDuckGo and did an image search. ANd sure enough the book exists, and I found a copy of this print. If you doubt me, look here or here.

To be sure, this looks like a dangerous pastime, that worried-looking "young gentleman" could end up with a fractured penis, and that doesn't sound very nice. Come to think of it, Corrina doesn't look too happy either.