There are more than nine, but this School is Hell cartoon covers the most important ones (þ Colby Cosh). I link it here partly for you, dear readers, partly so I can find it again myself, since Cosh’s twittery link is evanescent. The fifth and seventh types seem to overlap a bit.
- Toph Marshall on What Kind of Rope Makes the Best Gift? Martial 4.70.1
- Toph Marshall on Making Change for a Tripod
- Michael Hendry on What is the First Poem in Martial, Book I?
- Michael Hendry on Books For Sale
- Gene O'Grady on Books For Sale