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Mario Herrera

Mario Herrera has a degree in education and an MA in EFL. He has taught English for more than 25 years at all levels, from young children to adults. He is the co-author of seven ESL/EFL series that are used in levels ranging from preprimary to junior high. He co-authored "Balloons," His latest series is "Backpack," a seven-level primary EFL series. As an international consultant and teacher trainer, Mr. Herrera travels on behalf of Pearson Education, directing seminars and performing in-service...See more