If you came seeking ornithological knowledge about the titular bird, you may click here. I came by my copy of The Goldfinch dishonestly. I helped a friend carry some boxes at the bookstore she works at, and, in return, she said I could help myself to any galley copy left on the staff bookshelf. I recognized Donna Tartt's name and thought, why does that sound familiar?, and took it home. Later I heard one…