The Mysterious Benedict Society Meets the Mysterious Miss F

Reynie Muldoon, Kate Whetherall, Sticky Washington, and Constance Contraire are free to be normal children at last! However, there is still one question haunting them: Who are Constance's parents?
When Reynie and Kate are caught spying on Mr. Benedict during a "top secret meeting", Mr. Benedict has no choice but to tell them about their next mission... and their involvement with the Black Swan.

WARNING: Contains spoilers for both series!
I don't own any of these characters, they all belong to the authors! :)

Started: May 21, 2020
Completed: July 6, 2021