The Power of Un
Etchemendy, Nancy
Everyone knows that a computer's "undo" command can erase a mistake. Gib Finney has been given a device that allows him to do the same thing - in real life. At first, the possibilities seem endless. Flunk a test, take it over again. Keep swinging at the same pitch until you finally hit the winning home run. But when his younger sister is gravely injured in a traffic accident for which he feels responsible, Gib has to figure out which events in...