Book excerpt: Clinical supervision (CS) is emerging as the crucible in which counselors acquire knowledge and skills for the substance abuse (SA) treatment profession, providing a bridge between the classroom and the clinic. Supervision is necessary in the SA treatment field to improve client care, develop the professionalism of clinical personnel, and maintain ethical standards. Contents of this report: (1) CS and Prof¿l. Develop. of the SA Counselor: Basic info. about CS in the SA treatment field; Presents the ¿how to¿ of CS.; (2) An Implementation Guide for Admin.; Will help admin. understand the benefits and rationale behind providing CS for their program¿s SA counselors. Provides tools for making the tasks assoc. with implementing a CS system easier. Illustrations.