Mrs. Frisby, a widowed mouse with four small children, must mover 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 Robert C. O'Brien, 1986 Paperback, Like New 234 pages 200g 19.3 x 13 x 1.7 cm