Too many Christians are stuck and unable to go deeper in their walk with God because traditional discipleship models are overly left-brained and miss the heart. These models are broken and need to be re-engineered if the Western Church is going to produce spiritually vibrant and emotionally mature disciples. In A Deeper Walk, Marcus Warner examines how status quo discipleship broke down and provides a model for whole-brained, heart-focused discipleship based on the gospel's four essential elements: freedom, identity, spirit, and heart-focused community—FISH.