Essentials of Negotiation, 5e is a condensed version of the main text, Negotiation, Sixth Edition. It explores the major concepts and theories of the psychology of bargaining and negotiation, and the dynamics of interpersonal and inter-group conflict and its resolution. It does provide an excellent introduction to the essentials of negotiations.
Twelve of the 20 chapters from the main text have been included in this edition, several chapters having been condensed for this volume. Those condensed chapters have shifted from a more research-oriented focus to a more fundamental focus on issues such as critical negotiation subprocesses, multiparty negotiations, and the influence of international and cross-cultural differences on the negotiation process.
"Essential of Negotiation" is the best general book dealing with negotiation. Great coverage of the subject.