Of course, errors in different editions of books cut both ways. I was reading the 1973 Berkley edition of The Outfit and noticed a missing word, which was corrected in the 1988 Allison & Busby edition. So points to A&B.
And then straight after that I spotted a missing letter in the middle of a word in the A&B edition. Points deducted again!
On balance, I'd have to say the '88 edition has more mistakes than the earlier printing.
There've been a considerable number of contenders over the life of this blog, but this really must be the most boring post I've ever done.