Three Heroes

Three Heroes was first published in trade paperback on 1st Jun 2004 by NAL [9780451212009].
It became available as an e-book, 30th Jun 2006.

Additional info is available here.

More info is available here:

The Three Heroes compendium contains: The Dragon's Bride, The Devil's Heiress and the novella The Demon's Mistress, which are about "3 guys called George".

Where to buy Three Heroes omnibus edition e-book:
    Amazon US     Amazon Canada     Amazon UK     Amazon Australia
    iTunes
    Nook