This authoritative reference book by one of the most distinguished leaders in the profession features 4,000 commonly used terms and abbreviations in counseling. Since publication of the previous edition, Dr. Samuel Gladding has added 342 new, clear, and concise definitions and has fully updated existing terminology. This exceptional resource also highlights the professional contributions of prominent counselors, both historical and contemporary, and includes a current chronology of the evolution of counseling. In addition, it provides comprehensive contact information for self-help groups and nationally prominent helping organizations. Frequent cross-referencing of terms enhances the reader's understanding of more complex principles.