01158cam a2200313 4500 300166022 TxAuBib 19920711120000.0 861029t19851971||||||||||||||||||||eng|u 74134818 9780689206511 14.95 0689206518 14.95 (OCoLC)14562596 UMS UMS m/c TxAuBib O'Brien, Robert C. Mrs. Frisby and the rats of NIMH / Robert C. O'Brien ; illustrated by Zena Bernstein. New York : Atheneum, 1985. ©1971. 233 p. : ill. ; 22 cm. Rats of NIMH series ; ; 1 Newbery classics. ; ; 1972 Having no one to help her with her problems, a widowed mouse visits the rats whose former imprisonment in a laboratory made them wise and long lived. 20200924. Mice Juvenile fiction. Rats Juvenile fiction. Bernstein, Zena. Rats of NIMH series ; ; 1. Newbery classics. ; ; 1972.