"Deep Work: Rules for Focused Success in a Distracted World" by Cal Newport is a powerful guide to cultivating focus in an increasingly distracted world. Newport emphasizes the importance of "deep work," defined as the ability to focus without distraction on cognitively demanding tasks, which is crucial for achieving excellence and innovation in one's professional life. He contrasts this with "shallow work," which refers to tasks that are more surface-level and don't require intense focus.

"Trading in the Zone" by Mark Douglas explores the psychological challenges traders face and offers strategies to overcome them for successful trading. The book emphasizes the importance of maintaining a disciplined mindset, focusing on managing risk and decision-making based on probabilities rather than emotions. It's an essential guide for traders looking to improve their mental approach and achieve consistency in the markets.