About Us

Editorial Castilla is a world-leading provider of English and Spanish terminology solutions that help you find the accurate translation every time and ensure that you use these vital languages in a totally professional manner.

We publish exhaustive, specialized English-Spanish || Spanish-English dictionaries in the sciences and more.  Bilingual example sentences written by doctors, professors, and scientists give you the precise feel for how to use the terms.

Founded over 20 years ago, Editorial Castilla La Vieja now has 18 exhaustive reference works owned by academic libraries, students, translators, scientific institution libraries, museum libraries, and other professionals in over 35 countries worldwide.  University libraries include Harvard, Cornell, Yale, Stanford, Universidad Complutense de Madrid and many more.  Scientific libraries include the World Meteorological Organization of the United Nations, Woods Hole Oceanographic Institution, Museum of Natural History, and many more.