TUESDAY MAY 4

The National Book Foundation and the Boston Public Library Present: A Conversation with National Book Award finalist Cynthia Ozick, author of The Puttermesser Papers, with Christopher Lydon, host of "The Connection." Rabb Lecture Hall, Boston Public Library, Copley Square. 536-5400. 6 p.m. FREE.

"Vladimir Nabokov: An Exhibition Marking the Centenary of His Birth" will focus on the building and continuing growth of Harvard's collections and specifically on literary first editions, dedication copies, periodicals, translations, manuscript material from the whole of the author's career. Memorial Rotunda, Widener Library. Call 495-2413 for hours. Through June 2. FREE.