"Applied Psychology" by Warren Hilton is a series of books focused on the practical application of psychological principles to everyday life, particularly in business, personal development, and success. Warren Hilton, an early 20th-century author, sought to make the growing body of psychological knowledge accessible and useful for individuals looking to improve their professional and personal effectiveness.

Key Themes in "Applied Psychology" by Warren Hilton:
Practical Use of Psychological Knowledge:
Hilton's work emphasizes applying psychological principles in real-world situations, such as improving efficiency, decision-making, and personal development.
Mental Efficiency:
One of Hilton's key focuses is on how individuals can increase their mental efficiency. He discusses how to harness the power of the mind to think more clearly, improve memory, and develop mental habits that lead to success.
Subconscious Mind:
Hilton delves into the power of the subconscious mind and its influence on behavior. He explores how one can train the subconscious mind to work in alignment with conscious goals, creating habits and thought patterns that support success.
Psychology in Business:
A significant part of his work deals with applying psychology in business contexts. This includes strategies for improving sales, leadership, employee motivation, and interpersonal relationships.
Self-Discipline and Control:
Hilton advocates for self-discipline and self-control as critical factors in achieving success. By mastering one's emotions and impulses, individuals can better focus on their goals and overcome obstacles.
Influence and Persuasion:
Understanding human nature and psychology can also improve one's ability to influence others. Hilton's work addresses how to use psychological insights to be more persuasive and effective in personal and professional interactions.
Structure and Topics in the Series:
Warren Hilton's "Applied Psychology" is typically broken down into several volumes, with each focusing on different aspects of psychological application:

Volume 1: Mental Efficiency and Self-Control – Focuses on how to optimize the mind for better performance and how self-discipline leads to better outcomes.
Volume 2: Practical Psychology for Business Success – Deals with psychological strategies to enhance business performance and professional relationships.
Volume 3: Psychology and Achievement – Explores how psychological insights can lead to personal achievement and success.
Volume 4: Applied Psychology: Thinking, Feeling, Doing – A broader look at how thoughts, emotions, and actions are interconnected and how to apply this understanding to improve one's life.
Relevance Today:
Hilton's work, like that of William Walker Atkinson, is grounded in early New Thought and self-improvement movements, which emphasized the power of the mind in shaping success. While some of his ideas have since been expanded or updated by modern psychology, his emphasis on mental discipline, the subconscious mind, and practical psychology is still relevant for readers interested in self-improvement, productivity, and applied psychology.