1.
Me! A Difficult Person?: Are You a Difficult Person?
by Dr. Joseph E Koob II
ISBN: 9781670267368
List Price: $7.99
2.
Understanding and Working with Difficult People: Revised Second Edition
by Dr. Joseph E Koob II
ISBN: 9781696740623
List Price: $8.99
3.
Managing Difficult Employees (Work Trilogy)
by Dr. Joseph E Koob II
ISBN: 9781692276010
List Price: $7.99