Juego de Diccionarios Merriam-Webster

A multipurpose language reference set designed for speakers of Spanish, with special features for learners of English. Includes:
The New International Edition of The Merriam-Webster Dictionary
The newly revised and updated edition of Diccionarios Espanol-Ingles Merriam-Webster
Diccionario Merriam-Webster de Sinonimos y Antonimos en Ingles