Twelfth by Janet Key

From Book Trigger Warnings
Cover of Twelfth by Janet Key
Author(s) Janet Key
Published May 17, 2022
Publisher Little, Brown Books for Young Readers
Genre(s) Mystery
Age group Middle Grade

Twelfth by Janet Key is a middle grade mystery novel, originally published on May 17, 2022.

Trigger Warnings

  • Antisemitism (mentioned)
  • Arson
  • Death (mentioned)
  • Depression
  • Domestic abuse (mentioned)
  • Fire
  • Homophobia
  • Kidnapping
  • Misgendering
  • Transphobia


An asterisk (*) indicates that the author openly identifies with that identity.

  • Non-binary main and side characters
  • Gay side characters