FLIGHT

As I was miserably sick during Comic-con, my plans to obtain a copy of Flight Vol. 1 from the booth there were ruined and since I've been utterly broke until just recently, I'm just now buying myself a copy.
All copies I've found for sale online are listed as published in September 2004. This obviously cannot be the case for those sold at the Con last July, which I can't find for sale anywhere on the 'net.

My question is this:
What differences are there, if any, between the books being sold online (by Amazon, let's say) and the ones that were sold at the San Diego Con last year?
Or am I missing something? o.O

The books were actually solicited to be on sale in August, but Amazon must not have received them until September. There is no difference between the books, although now if you were to order any, I imagine they would be of the second printing.

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