McGraw-Hill Contemporary approached Interactive Works seeking to produce a comprehensive e-learning product for the adult market. Test for Adult Basic Education (TABE) are norm-referenced tests designed to measure skills commonly found in adult basic education curricula. The subjects taught in these instructional programs include reading, language, mathematics, and spelling. IW guided McGraw-Hill through the content development process and produced the 281 interactive lessons and 716 assessment tests included in the product. IW also developed the comprehensive management system that allows administrators and teachers to easily track students' progress throughout the program.