Timmy to the Rescue. References Conly, Jane Leslie; Lubin, Leonard; and O'Brien, Robert C. (1988). Racso and the Rats of NIMH'' (reprint ed.) HarperTrophy. . External links 1986 American novels American children's novels Children's fantasy novels Sequel novels Fictional mice and rats Harper & Row books Children's novels about animals 1986 books Rats of NIMH