This is a new fully revised and expanded edition of this famous Dictionary. The first edition of which in time would be widely known as Dictionary "Slaby-Grossman" in Spanish and German languages appeared in 1937, for editorial work of the now defunct Tauchnitz. The strength and dedication made by the editors Grossmann and Slaby in both the design and the performance of their work very soon become the dictionary in a required reference work. There are countless Hispanics, interpreters, translators and scholars in general to date have used and continue to use it to solve their language problems. Thirty-six years later he published a revised edition of Part II: German-Spanish. This reworking was given by Dr. Charles Illig, who brought his experience of twenty years as a translator and professor of Spanish in the Faculty of Applied Linguistics at the University of Mainz. In 1989 he published a fourth German edition (ninth Spanish), expanded and completely revised by Dr. Illig, of the same part II, among the new additions and incorporation into the body of the lexicon of previous supplementation was extended in a 120 pages. First, it has been revised and modernized completed substantially all of the lexical. But also have been improved and updated spelling and stylistic type indications, historical and geographical. This new edition after the 1989 play, of course, all these improvements. As in previous large space has been given to the specialized terminology, for example, the lexicon of the art in general, chemicals, plastics, electronics, astronautics. No one will deny the importance of these technical terms in a modern world as tech. Have also been received in the Dictionary of Americanisms more important. It also has taken into account the wealth of synonyms provided by the Castilian and, consequently, the authors have tried to highlight all the meanings and nuances of the same concept.