The Grammar Table, set up in Upper West Side Manhattan by Ellen Jovin, is the place to learn about the Oxford comma, gerunds, conjunctive adverbs, et al.
"On rainy days, the competition between word proselytizers and The Word proselytizers can be intense. 'I'm often in competition with Jehovah's Witnesses for the space,' she said. Earlier in the week, she found a favorite under-the-eave perch had been snagged. "My grammar books got rained on,' she said.