Interchange Third edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. TestCrafter is easy-to-use software that allows teachers to create, edit, print, and administer online tests for all four levels of Interchange Third Edition. Teachers can select from a bank of about 2,000 items from every unit or write their own questions. An Audio CD containing the listening sections of the tests is included in the package, and is also available in MP3 format on the CD-ROM. Additionally, this package includes PDF files and accompanying audio for the Interchange/Passages Placement Tests.