The Langmaster Advantage Language Proficiency Spanish program includes 20 CDs in total, focusing on Spanish language proficiency. Published by Langmaster in 2010, this audio CD set is part of the Living Language series and is specifically designed for language learning in Spanish. Made in the United States, this program offers a comprehensive approach to mastering the Spanish language through a variety of listening exercises and vocabulary-building activities. Perfect for individuals looking to enhance their Spanish language skills, this program provides a structured and effective way to achieve language proficiency.