This workbook is part of a Mexican series of instructional materials designed for Spanish speaking adults who are in the process of becoming literate or have recently become literate in their native language. This workbook is designed to orient people who are only recently literate to the world of work and business. Topics covered include worker production, work on farms and in forests, cattle-raising and fishing, industrial jobs, business positions and employment in the service sector, the rights and duties of workers and Mexican trade unions. The workbook contains reading texts, fill-in-the-blank exercises, and question and answer exercises for the learner. Numerous color photos are included. (Adjunct ERIC Clearinghouse for ESL Literacy Education) (CK)