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Still Unsure of Your Type?

my true type book
my true type book

If you’re like other Personality Junkie readers, you probably recognize the value and importance of knowing who you are. After all, who you understand yourself to be—your sense of self and identity—influences everything; it is the compass we all use to navigate life. And because your personality type is an integral part of who you are, knowing and understanding your type (e.g., INTP) is essential and can furnish much needed direction in a world of seemingly infinite options.

Unfortunately, like so many of our readers, you may be unsure of your true type, perhaps feeling like you're “stuck in the middle” between two or three types. 

My True Type was carefully researched and written to address these issues, equipping you with the knowledge you need to clarify and better understand your personality type, including your type's preferences and functions. If you want to know yourself better and gain clarity in your life's path, this book is for you.

Discover Your True Type!

  • Outlines numerous tips and strategies for identifying your true personality type
  • Provides in-depth descriptions of all the personality preferences (e.g., I, N, F, P) and functions (e.g., Fi, Ne) 
  • Includes a comprehensive personality assessment designed to clarify your preferences and functions
  • Addresses frequently asked questions such as: Is it possible to be an “x-type,” i.e., to have no true preference at all (e.g., INxP)?
  • Identifies & explains common "mistypings" (e.g., Ps typing as Js)

Now on Sale

My True Type

my true type

List Price: $9.99


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*eBooks compatible with all devices, including Kindle & Apple products

Get Both Books

My True Type + The 16 Personality Types

both books

List Price: $19.99


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*eBooks compatible with all devices, including Kindle & Apple products


"Drill Down Your Type"


"This book will help you drill down and better understand your own personality type. It also provides a lot of comparing and contrasting that helps illustrate the difference(s) between similar personality types. For instance, if you're not sure if you're an INTP or an INFP, the book provides many different examples and avenues by which you can clear up any type confusion."         

"A Must-Read"


"After studying the MBTI and Keirsey for years, I thought I’d pretty much read it all, but this book gave me a fresh perspective and a deeper understanding of the overall concept of temperament. It explained some of the things I had found confusing like why some introverts seem like extraverts due to their auxiliary functions. A must-read book for students of temperament..."        

"Required Reading"

-T. Cleary

"I am a budding student of typology, and have read a lot of the available literature on Jungian typology. This book had a profound influence on me and on my understanding of the Jungian functions. Many other works I have explored are burdened with superfluous information, which, especially for an autodidact trying to get an accurate grip on typology, can cause needless delays and confusion. This book drills right to the essence of each function, explaining them with breadth, insight and concision…I consider it "required reading" for the typology enthusiast."          

"Clarified My Type"

-Dr. Timothy Wise

"I have read just about every MBTI book out there, and even the most useful ones generally review the same basic information in different ways. This one actually added new information and new interpretations that I hadn't seen before. In the past, I've gone back and forth between two types that seemed to fit me equally well, but this book made it clear, first of all, why that doesn't really make sense, and second, why I was confused. This really clarified my type for me and helped me in a job choice I was making. The information is detailed and definitely worth the price."          

About the Author

aj drenth

A.J. Drenth is a four-time author and recognized authority on personality typology. He founded Personality Junkie® in 2009 which has since grown to see over 70,000 subscribers and three million annual visitors. His work has been referenced in numerous books and publications and he currently boasts the two best-selling INTP books on




Why It’s Important to Know Your Type
What is a Personality Type?
A Brief History of Type
The Preferences
The Functions
The Functional Stack
J-P Criteria
Purpose & Overview

2. Strategies for Accurate Typing

Explore Childhood Patterns
Which Type(s) are You Least Like?
Which Function(s) Do You Use the Least?
What is Your Enantiodromia?
Put Inconsistencies in Perspective
Avoid Over-Focusing on Particulars

3. Introversion (I) vs. Extraversion (E)

Jung’s Theory of Introversion & Extraversion
Independent (I) vs. Collective-Minded (E)
Reflection (I) vs. Action (E)
Strangers (I) vs. Citizens (E) of the World
Sensitive (I) vs. Uninhibited (E)
A Mixed Bag
Common E-I Mistypings

4. Sensing (S) vs. Intuition (N)

What Exactly is Intuition?
“All on the Table”
Potential (N) vs. Actual (S)
Connections (N) vs. Particulars (S)
Common S-N Mistypings

5. Thinking (T) vs. Feeling (F)

Overview of Thinking
Overview of Feeling
Taste & Style: S, F, or Both?
What about Values?
T-F & Gender
Common T-F Mistypings

6. Judging vs. Perceiving

Structured (J) vs. Unstructured (P)
Planned (J) vs. Open-Ended (P)
J Types: Conviction & Convergence
P Types: Exploring & Experimenting
Seeking vs. Experiencing Closure
The Laws of Js & Ps
Restlessness & Breadth of Activities
J-P & Work
Learning & Teaching Styles
Common J-P Mistypings

7. Introduction to the Eight Functions

Introverted vs. Extraverted Functions
Judging vs. Perceiving Functions
Overview of the Eight Functions

8. Introverted Intuition (Ni)

The Visual Nature of Ni
Deep Knowing
Deep Perception
Deep Theories, Timeless Truths
Ni & the Brain
Ni & the Eyes

9. Extraverted Intuition (Ne)

Doubting & Dithering
Ne vs. Ni
Webs (Ne) & Hierarchies (Ni)
Art, Nature, & Lifestyle
Ne-Ni Skepticism & Envy
Ne & the Brain

10. Introverted Sensing (Si)

Dotting i’s & Crossing t’s
Si & the “Inner Body”
Si & Images
The Si-Ne Function Pair
Si vs. Ni
Si & the Brain

11. Extraverted Sensing (Se)

An Eye for Detail
Image & Appearance
The Se-Ni Function Pair
Se vs. Ne
Se vs. Si
Se & the Brain

12. Introverted Thinking (Ti)

Subjective Methods & Strategies
Deep Skepticism & Reductive Thinking
Control, Freedom, & Autonomy
Ti & the Brain

13. Extraverted Thinking (Te)

Defining & Measuring
The Te-Fi Function Pair
Te vs. Ti
Te & the Brain

14. Introverted Feeling (Fi)

Constrained Feeling
Refining Tastes & Values
Marginalized & Misunderstood
Combatting Injustice & Defending Individuality
Fi vs. Ti
Fi & the Brain

15. Extraverted Feeling (Fe)

The Interpersonal Nature of Fe
Fe & Social Norms
The Fe-Ti Function Pair
Fe vs. Te
Fe vs. Fi
Fe & the Brain

16. Type Structuring: What It Tells Us about EPs, EJs, IPs, & IJs

EJs & IPs: “J-P-J” Types
EPs & IJs: “P-J-P” Types
EP Types
EJ Types
IP Types
IJ Types


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