Fans & friends of the late St. Mark's Bookshop in New York City are organizing a gathering in the back room of Kettle of Fish, 59 Christopher St., in the West Village, on Wednesday, June 5, 5:30-7:30 p.m., to celebrate the golden years of the store and raise a glass to one of its founders, bookseller Bob Contant, who died in November. Note: pizza while the supply lasts; guests responsible for their own drinks; Kettle of Fish is cash-only; no RSVP required.