Definition: It's an acronym for "The Year in Books" from 2010, which refers to a list of books released during that year, broken down by genres and authors. Detailed definition: A term used for identifying specific years in a calendar or time period by listing titles published or referred to by name (e.g., "The Year in Books"), organized alphabetically according to publication order. This helps identify when various events took place, such as the year 2010.