Student Activity Manual for Moeller's Deutsch heute Introductory German 9th Author:Jack Moeller, Winnie Adolph, Gisela Hoecherl-Alden, Simone Berger The Workbook Activities section, correlated with the textbook chapters, offers a variety of directed exercises, more open-ended activities, and art- and realia-based activities that provide vocabulary and grammar practice. The Laboratory Activities section accompanies the Lab Audio CD Program and includes listening, speaking, and writing practice.