Fake invoices

Librarians are not the only ones to encounter invoices from publishers that are actually sales pitches. From Ed Foster's GripeLog:

Invoices Designed to Deceive

By Ed Foster, Section The Gripelog
Posted on Fri Feb 02, 2007 at 09:59:49 AM PDT

If there's one group of people who could teach the Internet marketing scammers a few new tricks, it's the folks who hawk magazine subscriptions. And what's really scary is that those folks now have the Internet as a tool to use in tracking down more unwitting victims.