The Marcia & Louis Posner Memorial Library, at the Holocaust Memorial and Tolerance Center of Nassau County, opened in 1996. It is a lending library, open to the public, with the largest collection on Long Island of materials related to the Holocaust, genocide, bullying, and other related topics. The collection includes books for adults and youth (K-12), memoirs, diaries, journals, maps, artwork, DVDs, and other videos, CDs, and more. 

The Marcia and Louis Posner Memorial Library is temporarily closed for renovation.

Help support The Marcia & Louis Posner Memorial Library’s book fund, which enables the library to purchase the most current books about the Holocaust, genocide, bullying, and other related topics, by making a donation.