“Antisemitism: An Introduction” provides a crucial overview of one of history’s oldest and most persistent forms of hatred. This booklet traces antisemitism from its roots in ancient civilizations to the modern day, examining its transformation through eras, religions, and ideologies. It covers the main ideological drivers of contemporary antisemitism—the far-right, Islamist extremists, and the far-left—and explains how antisemitic stereotypes continue to adapt across societies and political movements. With educational insights and actionable steps, this booklet serves as a powerful resource for understanding and countering antisemitism in all its forms, encouraging readers to recognize, confront, and fight this deeply ingrained prejudice.