I have a large number of books with images that I'm scanning and using image_import to import them in bulk. image_import doesn't support adding to a book as I import these images, and I am thinking that I might be able to do them after the fact using VBO instead. Each book has about 100 pages and I'm fine with going in and manually setting up the initial page in the book. This is not a feature I need to expose to my users so I'm fine with a one-off for now.
I don't see an option for this as a built in feature for VBO so I'd like to request it. In the meantime, I'm guessing I could use the option to execute some PHP code for each node instead. Can someone give me some pointers on how I can figure out what to do to try that?