The author of a new novel, “If You Only Knew,” will speak Sept. 15 at the Fairfield University Bookstore.

Kristan Higgins is scheduled to speak at 7 p.m. in the downtown bookstore, 1499 Post Road.

The novel, according to publicity for the event, focuses on “two sisters and the bittersweet summer that changes their lives forever.”

Higgins, a Connecticut resident, is the author the Blue Heron series of books. Copies of “If You Only Knew” will be available for purchase/signing at the free event.