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Practice Makes Perfect Complete German Grammar

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Practice Makes Perfect: Intermediate German Grammar

Practice Makes Perfect German Vocabulary: Edition 2

The Everything German Phrase Book: A quick refresher for any situation

Basic German: A Grammar and Workbook, Edition 2

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Practice Makes Perfect Complete German Grammar, 2nd Edition: Edition 2

German Verb Drills, Fourth Edition: Edition 4

Practice Makes Perfect: English Grammar for ESL Learners, Third Edition: Edition 3

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Practice Makes Perfect German Verb Tenses, 2nd Edition: With 200 Exercises + Free Flashcard App, Edition 2