Protagonist Sherman Davies struggles to come up with anything publishable while working his frustrating day-job as a bookstore clerk...where the most frequently asked question is, "Do you work here?"
Yeah, so it's not a library, but you will probably recognize it....
The middle guy on the bottom is Sherman's best friend Ed Valeasquez, teasing him. The last guy is Robinson spoofing himself.
The last woman is Sherman's colleague Janice.
Can I go home now?