“In this concise overview, Henderson examines the rise and spread of hate groups and extremism, particularly white nationalism, by blending startling accounts of mass violence with eye-opening facts…lists of related organizations, books, and websites add to the research value of this timely volume.” — School Library Journal

“A measured, journalistic approach to a critical topic that affects our society…this valuable narrative is enhanced by photographs and information sidebars…A strong introduction that sheds light on grim topics often in the news.” — Kirkus Reviews