[quote=jerryjiggler]http://store.steampowered.com/app/43160/?snr=1_7_15__13

[quote]Special Offer
Includes a free copy of Dmitry Glukhovsky's international best-selling novel "Metro 2033", the epic story that started it all.[/quote]

I'm quite curious how they plan to carry this out.

How is steam supposed to distribute this novel for those that prepurchase? Has steam ever distributed books digitally before?[/quote]

They've done books and magazines before
http://store.steampowered.com/app/104600/
http://store.steampowered.com/app/233410/
http://store.steampowered.com/app/92500/

Those were interactive designed specifically for steam. I don't think they would do that with a novel tbh, but valve has surprised me before.