Quadrant Book Mart & Coffee House Loading view. There were no results found. There were no results found. Events Quadrant Book Mart & Coffee House Quadrant Book Mart & Coffee House 20 N 3rd St Easton,PA18042US Get Directions Today Now onwards Now onwards Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file Previous Venue Crayola Education Next Venue MIT Media Lab