From Centraljersey.com: Undergraduate student Anna Salvatore created Free Book Day, allowing residents to get rid of unwanted books while bringing together book lovers and enthusiasts throughout Mercer County. The event launched throughout Hopewell Valley in August. The next edition of Free Book Day takes place across homes in Princeton and Lawrence on Sept. 12. https://centraljersey.com/2020/09/02/free-book-day-continues-to-bring-book-lovers-together-in-a-unique-way/