Any published authors here? I once went through a cheaper international edition of a large computer science text, and built a massive errata of all the mistakes (primarily found in the exercises) then submitted it to the authors who basically told me 'Thanks but we don't give a shit about that version, only the US edition'. Any reason there would be that many mistakes in the international version? Does Pearson publis…
Another factor why the authors the OP contacted may not care could be that the royalty rates were dramatically lower for International sales -- at least that was the case for my book -- I essentially made nothing. I'm not saying people write books only for profit, but the combination of "not even knowing they were translated" with "zero profit motive" makes a potent combination. :-)
That being said, I don't believe anyone every contacted me with errata on a translated edition... I guess I should consider myself lucky. :-)