A sequel to the film that takes place on All Souls Night. A group of spirits visits those who need them the most.
- This was one of the first stories to ever be submitted to this archive when it began in late 1997. It is a retelling of the movie, taking place in the modern, human world. Rated PG-13 for non-explicit sexual content and language.
- Wendy Elizabeth, a young first-generation rat, goes on a journey to London, the place of her birth, to find out about her mysterious past... and finds adventure, intrigue and love.
- A prequel to The Secret of NIMH taking place five years before the rat's escape from NIMH. Enjoy and provide feedback if desired.
- A short story originally written in French about Justin and some of the problems he faces in Thorn Valley after the movie. An English version is also available thanks to Steve Vanden-Eykel. Rated PG-13 for graphic violence.
- The journal of a rat that traces events before, during and after the film.
- A gritty, tragic crossover between NIMH, Rescue Rangers and The Rescuers, this tale focuses on Gadget. But, I assure you, it ain't no 'Rangers of NIMH!'
- Join Mike and the Bots from MST3K in this MiSTing/riff of one of the most infamous (and infamously bad) pieces of NIMH fanfiction out there: The Rangers of NIMH.
- This illustrated sequel to the film focuses on life in the valley and Justin’s struggle as a leader and Jenner’s thirst for power.
- A strange new rat arrives at the colony in Thorn Valley ... but he is not what he appears. (A revised and expanded version of perhaps the earliest surviving Secret of NIMH fanfiction, first written in December 1983/January 1984.)
- A mouse is subjected to a series of tests, each one more stranger than the ones proceeding it. Meanwhile, a disgruntled scientist must come to terms with the idea that perhaps what he's doing, playing god, won't work out for him as intended. And there's something strange afoot going on with the AI used to administer the tests.