The Sum of Us: What Racism Costs Everyone and How We Can Prosper Together by Heather McGhee is a thought-provoking book that explores the impact of racism on society as a whole. Through personal stories and insightful analysis, McGhee shows how racism harms not only people of color but also white people, and how we can work together to create a more equitable and prosperous society. This paperback book is a must-read for anyone interested in social justice and understanding the true cost of racism.