Charlotte eases her pain over the loss of her favorite teachers by finding a strange dog in a rainstorm, whom she names 'ttuM' because he only responds to backwards commands
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When Charlotte learns that her favorite teacher is leaving the school, she vows to hate the replacement forever. But she finds comfort one afternoon. After a baseball game in which she hits the ball so hard that it explodes, a strange dog follows her home in a rainstorm. The dog responds only to commands spoken backwards Â emoC ereh! Â so she names him ttuM. ttuM becomes Charlotteâs constant companion, even following the girl to her parentsâ summer cottage on a lake. Everything seems to be fine until Charlotte becomes aware of a mysterious person who always dresses in black and likes to go canoeing Â a witch! The witchâs house turns out to be just down the road, and it smells enticingly of gingerbread cookies. When ttuM disappears one night, grief-stricken Charlotte decides that she must summon up her courage and go looking for him, even if it means breaking into the witchâs house.