Not-So-Lucky Lefty is the tenth book in the Judy Moody and Friends series.
Stink, who is left-handed, claims that left-handers are creative geniuses. But Judy is right-handed, which makes her feel left out. On Left Handers Day, Stink and Mr. Moody decide to celebrate at the pretzel factory. Judy comes along and takes the challenge to try to do things with her left hand for the whole day.