Popular literature, also known as mass-market literature, refers to books or other written works that are widely read by many people. There are several synonyms for popular literature, including commercial fiction, bestsellers, pulp fiction, and genre fiction. Commercial fiction often includes books that are written for mass consumption and have broad appeal. Bestsellers are books that are popular and sell well, often appearing on bestseller lists. Pulp fiction refers to low-cost, mass-produced books printed on low-quality paper. Genre fiction refers to books that fit within a specific category, such as romance, mystery, or science fiction. These synonyms all describe literature that is widely accessible and appealing to a large audience.