This book presents interactive classroom materials that simulate the practice of law in the United States and improve the language and legal skills that students need to succeed in their LL.M. programs and in their professional careers. Each of the twelve units in the Main Assignment File book includes a client matter that the students complete during their legal writing class and is accompanied by edited and annotated cases and legal authority (available online) and the ESL Workbook, which includes language and legal English exercises aimed at advanced speakers of English as a second language. ESL Workbook sold separately.