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Created by Harvard students for students everywhere, these study companions and reference tools cover a wide range of college and graduate school subjects, from Business and Computer Programming to Medicine, Law, and Languages. They'll give you what it takes to find success in school and beyond. Outlines and summaries cover key points, while diagrams and tables make difficult concepts easier to grasp.

This four-page chart covers tricky, difficult, and otherwise advanced Spanish vocabulary and expressions:

• Verbs like 'gustar'
• Expressions with 'a' and 'de'
• Expressions with 'por' and 'para'
• Idiomatic verb expressions
• Commonly confused words
• False cognates
• Regional variations and colloquialisms