The ABA Section of Dispute Resolution published three books this year that you, your colleagues, and your students might be interested in.
Psychology for Lawyers: Understanding the Human Factors in Negotiation, Litigation, and Decision Making, Second Edition, by Jennifer K. Robbennolt and Jean R. Sternlight
Mediation Ethics: A Practitioner’s Guide, edited by Omer Shapira.
Members get 10-20% discounts. Students can join the ABA Section of Dispute Resolution for free and then qualify for member discounts.
Take a look.