ENTJ: Understanding & Relating with the Leader (MBTI Personality Types Books)

$13.99

Understanding the Enneagram: The Practical Guide to Personality Types

$28.53

Personality Types: Using the Enneagram for Self-Discovery

$9.99

Discovering Your Personality Type: The Essential Introduction to the Enneagram

$13.99

An Essential Guide for the ENFJ Personality Type: Insight into ENFJ Personality Traits and Guidance for Your Career and Relationships (MBTI ENFJ)

$67.99

The Essential Enneagram: The Definitive Personality Test and Self-Discovery Guide -- Revised & Updated

$21.36

The Essential Enneagram: The Definitive Personality Test and Self-Discovery Guide -- Revised & Updated

$2.99

Personality Theories

$119.66

The Easy Myers Briggs Personality Types Book: A guide to understanding yourself and others using the Myers Briggs 16 Personality types and test

$35.44

The Easy Myers Briggs Personality Types Book: A guide to understanding yourself and others using the Myers Briggs 16 Personality types and test

$77.49

Theories of Personality

$86.49

Enneagram Made Easy: Explore the Nine Personality Types of the Enneagram to Open Your Heart, Find Joy, and Discover Your True Self

$22.95

Enneagram Made Easy: Explore the Nine Personality Types of the Enneagram to Open Your Heart, Find Joy, and Discover Your True Self

$16.99

Enneagram Made Easy: Explore the Nine Personality Types of the Enneagram to Open Your Heart, Find Joy, and Discover Your True Self

$31.49

The Wisdom of the Enneagram: The Complete Guide to Psychological and Spiritual Growth for the Nine Personality Types

$15.92

Benjamin Franklin: A Life From Beginning to End (Biographies of Inventors)

$2.99

Nice to meet myself: Understand your personality using the Enneagram

$4.99

Naked with the Enneagram: A Powerfully Accurate, no-BS Journey into Your Unique Personality Type | Advanced Personality Test Included | (Enneagram Collection)

$19.99

Inventor Adventure: A self-watering journey

$2.05

The Road Back to You: An Enneagram Journey to Self-Discovery

$14.99

The Road Back to You: An Enneagram Journey to Self-Discovery

$1.99

An Essential Guide for the ISFJ Personality Type: Insight into ISFJ Personality Traits and Guidance for Your Career and Relationships ( MBTI ISFJ )

$110

Handwriting Analysis: A Guide to Personality

$7.99

Wired That Way: A Comprehensive Guide to Understanding and Maximizing Your Personality Type

$10.99

The Enneagram Road: An Easy And Essential Guide To Bring You Back To Complete Spiritual Wisdom, Discover The Nine Personality Types And Your True Self

$7.99

My Inventions: The Autobiography of Nikola Tesla (Deluxe Hardbound Edition)

$5.5

50 Psychology Classics Second Edition: Your shortcut to the most important ideas on the mind, personality, and human nature (50 Classics)

$9.49

Nikola Tesla: A Life From Beginning to End (Biographies of Inventors)

$2.99

My Inventions: The Autobiography of Nikola Tesla

$15.75

My Inventions: The Autobiography of Nikola Tesla

$15.75

My Inventions: The Autobiography of Nikola Tesla

$19.97

Engineer's Notebook Idea book

$47.99

50 Psychology Classics, Second Edition: Your shortcut to the most important ideas on the mind, personality, and human nature (50 Classics)

$15.99

PERSONALITY TEST BOOK: A Complete Question-And-Answer Guide To Discover Your Ideal Temperaments

$12.99

Oh, the Things They Invented!: All About Great Inventors (The Cat in the Hat's Learning Library)

$19.39

Understanding Human Nature: The psychology of personality

$64.68

Type Talk at Work (Revised): How the 16 Personality Types Determine Your Success on the Job

$18.5

Type Talk at Work (Revised): How the 16 Personality Types Determine Your Success on the Job

$16.17

The Power of Personality: Unlock the Secrets to Understanding Everyone in Your Life―Including Yourself!

$12.51

The Power of Personality: Unlock the Secrets to Understanding Everyone in Your Life—Including Yourself!

$8.99

Creating Characters with Personality: For Film, TV, Animation, Video Games, and Graphic Novels

$5.38

Emotional Intelligence Mastery: This Book Includes Dark Psychology Secrets, CBT Made Simple, Emotional Intelligence EQ, How to Analyze People, Improve Your Social Skills, Master Your Emotions

$6.08

Decode Your Personality: Go Beyond Myers-Briggs With 64 Brain-Based Subtypes

$11.99

The Inventor's Complete Handbook: How to Develop, Patent, and Commercialize Your Ideas

$9.99

The Psychology Book: Big Ideas Simply Explained (DK Big Ideas)

$13.99

The Psychology Book: Big Ideas Simply Explained (DK Big Ideas)

$14.83

The Psychology Book: Big Ideas Simply Explained (DK Big Ideas)

$3.99

The Psychology Book: Big Ideas Simply Explained (DK Big Ideas)

$2.99

Secrets of the Mind: Ralph Waldo Emerson's Keys to Expansive Mental Powers

$18.77

Secrets of the Mind: Ralph Waldo Emerson's Keys to Expansive Mental Powers

$18.99

Do What You Are: Discover the Perfect Career for You Through the Secrets of Personality Type

$26.49

The Inventors at No. 8

$6.08

The Invent to Learn Guide to the micro:bit (Invent to Learn Guides)

$24.95

Diagrams of the Unconscious: Handwriting and Personality in Measurement, Experiment and Analysis

$7.99

How You'll Do Everything Based On Your Personality Type

$2.99

How You'll Do Everything Based on Your Personality Type

$7.99

The Psychology Book: Big Ideas Simply Explained

$16.99

Sigmund Freud: Inventor of the Modern Mind (Eminent Lives)

$50.91

Alan Turing: Life and Legacy of a Great Thinker

$54.8

The Inventor's Workshop: How People and Machines Transformed Each Other

$2.38