Recently Arnie Reisman and Nat Segaloff won top honors in the Electric City screenplay competition for their story based on the unsolved 1990 Isabella Stuart Gardner museum heist. The screenwriters’ tale suggests who stole the paintings and why the perpetrators will likely never be apprehended.

But no need to wait until the movie is made to find out the answers. On Thursday, Sept. 12 at 7 p.m. Mr. Reisman will give a talk at the Vineyard Haven Library, where all will be revealed — maybe.