The Boston Licensing Board today gave Trident Booksellers and Cafe, 338 Newbury St., permission to stay open until midnight.
Michael Lemanski, general manager of one of Boston's dwindling number of bookstores, said customers had been asking for an extra hour of time in which to enjoy the literary alternative to a traditional bar or pub.
He told the board at a hearing Wednesday the revenue from the extra hour will also help Trident, open since 1984, stay in business. He cited health care as an example of a cost it has been struggling with.
The mayor's office and city councilors Ayanna Pressley, Steve Murphy and Josh Zakim all supported the extra time.