Encyclopedias (Retail) is a subdivision of the Direct Selling Establishments (Retail) industry, which involves the direct sale of products to consumers outside of a fixed retail location. Companies in the Encyclopedias (Retail) industry specialize in the sale of encyclopedias, which are comprehensive reference works containing articles on a wide range of topics. These encyclopedias are typically sold through direct sales channels, such as door-to-door sales or telemarketing. The Encyclopedias (Retail) industry has undergone significant changes in recent years due to the rise of digital media and the internet. While traditional print encyclopedias remain popular among some consumers, many companies in the industry have shifted their focus to digital products, such as online encyclopedias or CD-ROMs. Companies in the Encyclopedias (Retail) industry typically employ sales representatives who are responsible for selling encyclopedias directly to consumers. These sales representatives may work on a commission basis, earning a percentage of the sales they generate. In addition to sales representatives, companies in the industry may also employ customer service representatives, marketing professionals, and other support staff.