The Advantage Spanish Language Proficiency set includes 3 audio CDs along with a Spanish English dictionary CD, providing a comprehensive language learning experience. Published by Langmaster in 2010, this Living Language series focuses on Spanish language proficiency in an audio CD format. Ideal for individuals looking to improve their Spanish language skills, this set offers a convenient and effective way to learn the language through interactive listening exercises. Designed for self-study, this product is a valuable resource for those seeking to enhance their understanding of Spanish and English language proficiency.