Psychology: The Essence of a Science is a concise, scientific-based textbook that includes essential, fundamental information along with a built-in study guide to encourage student mastery of the concepts. This easy to read, easy to learn from textbook includes basic principles, theories, and people, as well as classic research and the latest citations, ranging from multicultural views on the Big Five personality traits to the latest on taste receptors and their locations. A rigorous scientific approach is taken, but with a casual, conversational, and often humorous approach.