This week’s essay in The New York Times Book Review features Jim Behrle, who is quoted at length on the question of techniques needed to achieve groupie-worthiness. Hot author photos, ACDC T-shirts, and an aura of availability are some of the trade secrets he imparts based on his years of observation organizing readings in Boston. If there is ever a Sex and the City reunion show Jim is going to be the go-to guy for writerly crushes.