Mrs. Frisby, a widowed mouse with four small children, must move her family to their summer quarters immediately, or face almost certain death. But her youngest son, Timothy, lies ill with pneumonia and must not be moved. Fortunately, she encounters the rats of NIMH, an extraordinary breed of highly intelligent creatures, who come up with a brilliant solution to her dilemma.

‘Racso, a brash and boastful little rodent, is making his way to Thorn Valley, determined to learn how to read and write and become a hero. His bragging and lies get him off to a bad start, but a crisis gives him the opportunity to prove his mettle. A worthy successor [to Mrs. Frisby and the Rats of NIMH, a Newbery Medal winner by the author's father].' 'BL. 1986 Children's Editors' Choices (BL) Children's Choices for 1987 (IRA/CBC) Notable 1986 Childrens' Trade Books in Social Studies (NCSS/CBC) 1986 Children's Books (NY Public Library) Best Science Fiction/Fantasy 1986 (VOYA)

When Margaret and her younger brother, Artie, get lost in the woods on a family camping trip, they are rescued by rats—the superintelligent rats of NIMH. Taken into the rat's community, the children are safe for the time being. But winter is coming. Margaret and Artie have to get back home. And when they do, they must protect the rats who have helped them. Everything depends on their silence... but it's hard to evade questions forever. Children's Choices for 1991 (IRA/CBC)VOYA's Best Science Fiction, Fantasy, and Horror 1990Parenting Honorable Mention, Reading Magic Award