Overview
- Netflix’s new tie-in novel, written by series staff writer Caitlin Schneiderhan, was released on December 2, 2025.
- Set two months after the Hawkins earthquake, the story follows Nancy Wheeler and Robin Buckley investigating classmate Joey Taft and signs of an unexplained illness that may connect to the Upside Down.
- The book focuses on Nancy and Robin’s partnership during the period skipped on screen between Seasons 4 and 5.
- Its release precedes Season 5 Volume 2, which debuts on December 25 with the finale arriving December 31.
- Coverage notes the timing could offer context or subtle clues for the final episodes, though no direct plot revelations are confirmed.