Amazon | Oxford Learner's Pocket Dictionary: A pocket-sized。250px-Oxford_Advanced_Learner'。Amazon | Oxford Learner's Pocket Dictionary: A pocket-sized。Amazon | Oxford American Dictionary: For Learners of English。Oxford Learner's Dictionary of Academic English: Helps students learn the language they need to write academic English, whatever their chosen subjectThe Oxford Learner's Dictionary of Academic English is designed for learners studying, or preparing to study, academic subjects on English-medium university courses. It is the only learner's dictionary to focus exclusively on academic English.