1. a product, especially a book, that sells in extremely large quantities

Examples

• The novel became a superseller within weeks of its release.
• Her cookbook was the superseller of the holiday season.
• The publisher was thrilled to have another superseller on their list.
• That mystery series has produced three supersellers in a row.
• The self-help book turned into an unexpected superseller.
• Publishers are always searching for the next superseller.