Judy Moody, Mood Martian

About “Judy Moody, Mood Martian”

On "Backward Day," Judy must turn her usual sour mood upside down and be happy and nice for a change. She decides to change her mood to a "cool-as-a-cucumber neat freak," and this new mood surprisingly hangs around for days, but her friends begin to question whether this "new" Judy is just an imposter. This is book number twelve in the series.