Self-instructional materials for the beginning level child welfare worker are provided in this source book. Basic information about hostility, clients who feel threatened, and situations where the worker feels threatened is included. Practice skills for dealing with hostility or feelings of being threatened as experienced by the worker or client are given. The material was designed to be used individually for self-instruction but can be adapted for use in small groups. The source material is divided into several major areas which include understanding crisis and some reasons for hostile or threatened reactions, self-awareness of the worker in the use of authority and in communication in interviewing, and interviewing techniques and methods to be considered in working with hostile, angry, or threatened clients. The role and use of power and authority are discussed, and cross-cultural differences are considered. Finally, the supervisory process is explained and ideas are presented regarding the role and expectations of the supervisee in the interactional process with the supervisor. (NRB)