Mrs. Frisby and the Rats of NIMH
| Industry | Publishing |
|---|---|
| Headquarters | Los Angeles , United States |
| Products | Books |
Mrs. Frisby and the Rats of NIMH is a children's science fiction and fantasy novel published in 1971, authored by Robert C. O'Brien with illustrations by Zena Bernstein, and released through the Los Angeles-based publisher Atheneum Books. The book earned the 1972 Newbery Medal and later inspired the 1982 animated film The Secret of NIMH.
The narrative centers on a group of laboratory rats who have escaped from the National Institute of Mental Health (NIMH) and established an advanced society characterized by literacy and technology. These rats assist Mrs. Frisby, a widowed field mouse, in safeguarding her family and home from destruction caused by a farmer’s plowing.
Drawing inspiration from John B. Calhoun’s studies on rodent population behavior conducted at NIMH, the novel delves into themes such as enhanced intelligence and social structure. Following O’Brien’s passing in 1973, his daughter Jane Leslie Conly continued the story with two sequels.
Plot summary
Mrs. Frisby, a widowed mouse, resides with her four children near the farmland owned by Mr. Fitzgibbon. When her son Timothy becomes ill just as spring plowing is scheduled to begin, relocating to their summer residence is not an option. An elderly mouse named Mr. Ages provides medicine, while Mrs. Frisby enlists help from Jeremy, a crow she rescues from the farmer’s cat, Dragon.
Directed by a wise owl, Mrs. Frisby is advised to seek assistance from a colony of rats living in a nearby rosebush. These rats have developed a literate and technologically sophisticated community featuring elevators, electric lighting, heating systems, and food storage facilities—abilities gained after undergoing intelligence-enhancing experiments at NIMH that also increased their lifespan and physical strength.
Their leader, Nicodemus, recounts their escape from NIMH and reveals that Jonathan Frisby—Mrs. Frisby’s deceased husband—and Mr. Ages were among the few survivors who facilitated it. Honoring Jonathan’s memory, the rats agree to help relocate Mrs. Frisby’s home away from the plow.
Nicodemus also discloses that the rats recently chose to sever reliance on humans due to ethical concerns over theft; those opposing this decision, led by Jenner, have since departed from the group.
Because Dragon must be sedated to move the house safely—a task beyond the rats’ capabilities alone—Mrs. Frisby volunteers despite knowing Jonathan died attempting this previously. She is captured by the farmer’s son but overhears plans involving exterminators targeting rats following an incident at a hardware store involving Jenner’s faction.
After being rescued by Justin, a rat, Mrs. Frisby returns as the rats employ pulleys and scaffolding to successfully move her home, allowing Timothy time to recover before seasonal migration.
Anticipating extermination efforts, the rats dismantle their technological apparatus and disguise their tunnels as ordinary nests. Ten rats remain behind as decoys; eight manage to escape after poison gas is released while two perish.
With Timothy healed, Mrs. Frisby’s family safely relocates to their summer dwelling.
Critical response
Since its publication, Mrs. Frisby and the Rats of NIMH has garnered extensive praise from academics, critics of children’s literature, and readers alike. In 1985, Alethea K Helbig described it as "a blend of science fiction and animal fantasy" that presents "extraordinary scenarios with scientific precision." Scholar Paula T. Connolly emphasized Conly's exploration of ethical dilemmas alongside themes including science and technology, identity, family bonds, community dynamics, and survival.
Literary analyst Joe Sanders highlighted the novel's focus on rat literacy as mirroring its young readership's developing reading abilities. He argued that reading is depicted as a liberating force empowering the rats to establish an autonomous society after escaping NIMH. Through scientific and philosophical literature, they gain understanding beyond mere survival through theft. Sanders concluded that O'Brien advocates for reading as an enabling skill—a vital message for children.
Children’s writer John Rowe Townsend reflected on Newbery Medal winners from 1966 to 1975 in an essay where he described the book as "enjoyable" but suggested that its early portrayal of intelligent talking animals somewhat lessened the impact of the rats’ evolution, rendering it "somewhat frustrating" and not fully realized.
In 2012, Mrs. Frisby and the Rats of NIMH was ranked thirty-third on School Library Journal’s list of the top 100 children’s novels.
Awards
Mrs. Frisby and the Rats of NIMH earned multiple distinguished honors, such as the Lewis Carroll Shelf Award and the Newbery Medal. It was also a finalist for the National Book Award in 1972. The book received the Mark Twain Award in 1973 and, in 1974, was honored with both the Pacific Northwest Library Association Young Readers' Choice Award and the William Allen White Children's Book Award.
Influence on American perceptions of scientific progress
In a 2019 analysis, academic Arahshiel Rose Silver highlighted how Mrs. Frisby and the Rats of NIMH echoes the concerns prevalent in 1960s America regarding advancements in science and technology, especially genetic research. The story embodies the era’s apprehensions about unethical experimentation and unchecked technological expansion, providing audiences of all ages with a thoughtful warning about the implications of scientific innovation.
Related works
After Robert C. O'Brien's passing, his daughter Jane Leslie Conly extended the narrative world of NIMH through two sequels. Racso and the Rats of NIMH (1986) tells of a city rat who joins the colony and aids in preventing disaster from flooding. The follow-up, R-T, Margaret, and the Rats of NIMH (1990), centers on rats rescuing lost children who then help defend the colony against winter hardships. Literary critic Constance Vidor noted that Conly’s additions maintain a focus on communal responsibility while introducing new characters confronting individual struggles.
1982 film
The animated feature The Secret of NIMH (1982), directed by Don Bluth in his first project outside Walt Disney Animation Studios, made notable alterations to enhance dramatic effect. It introduced a supernatural dimension absent from the original text by depicting Nicodemus as a sorcerer wielding magical powers and an enchanted amulet rather than simply a fellow rat. The antagonist Jenner was reimagined as a persistent threat within the rat community. Additionally, Jeremy the crow’s role was expanded to provide comic relief, and the family name was changed from Frisby to "Brisby" to circumvent trademark conflicts with Frisbee.
Live-action/animated remake
Paramount Pictures initiated plans for a film adaptation in 2009 with Neil Burger as screenwriter and Cary Granat producing; however, this project stalled and eventually lost rights. In 2015, MGM, which originally distributed the 1982 movie, secured rights for a live-action/animated reboot. Screenwriter Michael Berg was enlisted to develop the script, with producers Daniel Bobker and Ehren Kruger attached. By April 2019, executive production duties were assumed by the Russo brothers.
Television adaptation
In September 2021, Fox announced development of an animated series inspired by the books as part of its expansion into adult-oriented animation programming.
See also
- Behavioral sink — John B. Calhoun’s rat studies at NIMH that served as inspiration for the novel
- Flowers for Algernon — Story about an intelligent laboratory mouse