Derrick Halfson

Some disorders are interesting or a little difficult to handle. Others are downright scar...

This book consists of two titles, which are the following: Book 1: Personality disor...

Personality disorders can be challenging. I personally know people who have some kind of ...

Have you ever wondered what the difference is between Bipolar Disorder and narcissism?&nb...

This is a 2-book combo, which has the following titles:  Book 1: Personality di...

The following topics are included in this 3-book combo:  Book 1: Have you ever ...

This is a 3-book bundle, which addresses various subtopics, including but not limited to ...

These subjects are included in this 6-book combo:Subject 1: Some disorders are interestin...

These 4 books are included in this combo, into the following categories:Category 1: Perso...

These 4 books are included in this combo, into the following categories:Category 1: Some ...

These 12 books are included in this combo, into the following categories:Category 1: Pers...

These 4 books are included in this combo, into the following categories:Category 1: Have ...

These subjects are included in this 6-book combo:Subject 1: Have you ever wondered what t...

These subjects are included in this 6-book combo:Subject 1: Personality disorders can be ...