Weapons of Math Destruction is a fascinating, candid alarm bell. It acknowledges that models are not going to disappear; as tools for identifying individuals facing difficulties, they are amazing. However, as tools of punishment and disenfranchisement, they are nightmarish. Cathy O’Neil’s book is important precisely because the author has faith in data science. It is a fast-paced, vital lesson that shows why we need to investigate how the systems around us work and demand that they be improved. “Many algorithms are subservient to power imbalances and biases. If you don’t want these algorithms to become your masters, read Cathy O’Neil’s Weapons of Math Destruction to deconstruct the latest rising tyranny of an arrogant establishment.