Go with Justapicker. Believe me, these guys are not trustworthy. They were pretty good until they started to get more international requests, then someone discovered what a great way to scam people it is - that famous lie "the check is in the mail". In this case it's "the bucks are in my account, your books are in the trash". It's a lot harder to get help from abroad if you lose your hard earned bucks, and you can always claim language difficulties or misunderstandings.

DW