David A. Pharies 
University of Chicago Spanish-English Dictionary, Sixth Edition [PDF ebook] 
Diccionario Universidad de Chicago Ingles-Espanol, Sexta Edicion

For more than sixty years, The University of Chicago Spanish-English Dictionary has set the standard for concise bilingual dictionaries. Now thoroughly revised to reflect the most current vocabulary and usage in both languages, this dictionary enables users to find the precise equivalents of the words and phrases they seek.Completely bilingual, the dictionary focuses on two contemporary international languages, American English and a worldwide Spanish rooted in both Latin American and Iberian sources. The sixth edition has been updated with six thousand new words and meanings selected for their frequency of use, rising popularity, and situational necessity. In order to best represent the dynamic and increasingly connected cultures of three continents, this edition features enhanced coverage of the vocabulary associated with four areas of increasing global importance: medicine, business, digital technology, and sports. Clear, precise, and easy to use, The University of Chicago Spanish English Dictionary continues to serve as the essential reference for students, travelers, businesspeople, and everyone interested in building their linguistic proficiency in both Spanish and English.