If you want to make progress in the spiritual life, you must know your enemy. Best-selling author Kevin Vost shines a light on the seven deadly sins, showing how they take root in our souls and keep us from being raised to heaven. In these pages, Dr. Vost unpacks the teachings of St. Thomas Aquinas history's greatest theologian in an engaging and accessible way. He unveils the hidden connections between common sins and shows how each gives birth to daughters other thoughts and deeds that help it reach its sinful goals. We all struggle with the seven deadly sins to varying degrees. Read this book, and you'll walk away armed with an arsenal of practical weapons to combat these sins and to clear the path for greater virtue, deeper happiness, and more profound union with God.