Across personality, emotion, identity, leadership, and social behavior, these books offer a psychologically grounded lens on what it means to live, relate, and grow. Whether you're drawn to inner work or big-picture insight, each title is written to make complex ideas usable — and to help you understand both yourself and the world with greater clarity. All titles are published through Depthmark, LLC, a psychology-focused imprint created by RJ Starr.