I've found several references to buying a printed copy of a book, and then upgrading to the electronic version for about $5 at a later time by using the 499UP discount code, which basically gives you the ebook+printed copy deal.
I'm wondering - is it possible to obtain the ebook+print deal the other way around? I definitely want the ebook version of the Programming Scala book, and I _might_ decide that I'd like a printed copy later (shelf real estate is scarce and must be hoarded!), and would rather not pay an extra $45 on top of the $36 I've all ready spent on the ebook if I change my mind about owning a printed version...
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Thanks for your question; it's a good one! We currently do not have a process on the site for this situation, but if you purchase the ebook and find that you want the print book as well, get in touch with customer service at firstname.lastname@example.org or by phone at (800) 998-9938 / (707) 827-7000 (7:30-4 PST Mon - Fri). Customer service can work something out with you.
Have a great day!
O'Reilly Media, Inc.
A correction to my previous statement: we actually do have a process in place for you to upgrade from the ebook to the print book. Once you've purchased the ebook, you'll see this 40% off button on Your Products page.
Let us know if you have any questions!