Jim writes The Comprehensive Respiratory Therapist Exam Guide: Advanced and Entry Level 5e, 2010. and he contributes as a WFH on the Testbank for DesJardins: Clinical Manifestionations and Assessmen of Respiratory Disease, 5eHe is listed:James R. Sills, MEd, CPFT, RRTProfessor EmeritusFormer Director, Respirtory Care ProgramRock Valley CollegeRockford, IL