Copyright 1999--San Diego County Office of Education. Student Activity 1 Mrs. Frisby and the Rats of NIMH by Robert C. O'Brien CyberGuide by Linda Scott http://www.sdcoe.k12.ca.us/score/rats/ratssg1.html Introduction Habitats are the places where creatures live. Mrs. Frisby's big problem in Mrs. Frisby and the Rats of NIMH is finding a new place to live because her habitat is about to change ...