Shubham Singh's "You Become What You Think" is a self-help book drawing upon a wide range of philosophical and psychological concepts. It's structured into six parts, covering happiness and mindfulness, habits and personal growth, Stoic philosophy, mental health, relationships, and human psychology. The book aims to provide actionable insights for readers to transform their thinking and, consequently, their lives. Singh emphasizes the power of thoughts in shaping reality and offers guidance on mastering the mind for personal fulfillment, referencing numerous influential works in self-improvement.