Bibliophiles beware: an upcoming exhibition of the work of Alvin Lustig and Elaine Lustig Cohen will likely frustrate you. It is sure to trigger pangs of belletristic acquisitiveness and perhaps even launch you on a new book-buying addiction—yet even the most dedicated collector will find it difficult to match the quality of the books displayed in this design show. Opening September 20 at the College of Visual Arts Gallery in Saint Paul, Minnesota, “The Lustigs: A Cover Story