I don't know if Heather is buying light stuff. Anna didn't tend to, but I don't know tons about Heather's taste just yet. Give it a try. You never know.
Oh, and for those who haven't signed up yet because you already have the book, don't want to get a ton of emails (or aren't really interested in OUR books) keep in mind that Tor isn't actually offering ebooks for SALE yet. They're trying to find out if the market for ebooks is big enough to invest the time and money to format the books. If the only market is the 15-29 age group (the electronic generation), that's not enough, because many, if not MOST of the buying readers are over 30. So, even if you have the book,
PLEASE sign up for it! If there's not enough interest, they'll never take the plunge, and then we'd be very