These are the books I’d recommend for further reading on dealing with difficult people. If you find that you deal with difficult personalities a lot it’s worth spending some time and money on what to do to cope, continue what you love and keep your sanity. Links are affiliates.
Difficult Conversations: How to Discuss What Matters Most
Getting to Yes: Negotiating Agreement Without Giving In
The Power of a Positive No: Save The Deal Save The Relationship and Still Say No
Beyond Reason: Using Emotions as You Negotiate
These are sites where you’ll find helpful information about types of difficult people and how to understand & communicate with them
Out of the Fog – Information on Personality Disorders
These are some online articles that have further information & suggestions