Edited the above entry to provide your context to my readers who may not know. :)

That's really frustrating that Lulu.com isn't letting you use your own ISBNs. They *look* like they have it set up to accept them, and I'm sad to hear it's not as straightforward as it sounds.

I can instantly see the lit-class essay potential for a comparison between Foucault's Pendulum and Harlequin's new business model. :) I should pick it up!