We counted reviews in the book club discussion page. The particular edition you read/listened to shouldn't matter.
And, because I read the audio edition, I probably don't count in the number of those who have read the book (along with anyone else who has on his shelf a variant edition).
I agree that Elentarri has a very fair point; I'd love it if everyone who voted for a book was able to participate in the reading of it (as that is sort of the point); I only ...
I enjoyed the buddy read a lot! :D I'm already looking forward to the next one!
Well, I'll admit to voting for it. I did enjoy the buddy read despite not really liking the book.