book burning

Short definition from Wiktionary

Noun

1. 1
   A mass burning of books, intended as a form of political and/or religious censorship.
2. 2
   Any mass destruction, removal, or recalling of books, motion pictures, broadcasts, or electronic works as a form of censorship, especially motivated by religious or political objections to the material.
3. 3
   The practice of destroying books by fire because of moral, religious or political objections to the material they contain.
4. 4
   An event where books are burned.