8 books in series

The X-Files: Middle Grade

The X-Files: Middle Grade is a 8-book series with 8 primary works first released in 1995 with contributions by Les Martin, Chris Carter, and Ellen Steiber.

X Marks the Spot
Darkness Falls
Der Kokon
Tiger, Tiger!
Akte X Stories 4 - Das Nest
Akte X Stories 6 - Verwandlungen
Akte X Stories 7 - Blut
Die, Bug, Die!
Ghost in the machine