Illinois Real Estate: Principles and Practices - Timothy Rice, et. al, (Gorsuch Scarisbrick, Publishers: 1997)

Mastering Real Estate Mathematics: A Self-Instructional Text - William I. Ventolo, et. al. (Real Estate education Company: 1995)

Questions and Answers to Help You Pass the Real Estate Exam - John W. Reilly, DREI, et. al.   (Dearborn Trade: 1997)

Real Estate Principles for License Preparation: For the ASI Exam - Dennis S. Tosh, Nicholas Ordway (Prentice Hall Press)