From: Sandra Kisner sjk3@admin.is.cornell.edu

I thought tanstaafl was Heinlein. No?

Yes. You're absolutely right (he said, having just checked the quiz at the back of Ghastly Beyond Belief: The Science Fiction and Fantasy Book of Quotations). The Moon Is A Harsh Mistress.

Must have got it mixed up with tanj (there ain't no justice) which I'm pretty sure was Niven.

Neil