We probably won't open at 136 East 3rd Street until next week. Call ahead: 212-260-7853
— St. Mark's Bookshop (@stmarksbookshop) June 30, 2014
They are now officially closed (as of Sunday) at 31 Third Ave. and Stuyvesant Street, their home since since 1992.
... and at 136 E. Third St. ...