If You Can't Say Something Nice, Don't Say Anything at All?

Hey, where did the promised other Valentine's Day posts go? Sorry, folks--I ended up going to a hockey game. (The home team lost badly, but three people received proposals of marriage on the Jumbotron, at least one of which received a favorable response.)

Anyway, Michele over at Reader's Respite has a post about Amazon reviews today that is well worth a read. It got me to thinking about a related topic: should authors of fiction give other authors of fiction negative reviews?

There is a school of