12 Again by Sue Corbett

Patrick's mother makes a wish on her birthday and wakes up the next day as her twelve-year-old self, and she needs her son's help to survive middle school and regain her real life.

12 Things to Do Before You Crash and Burn by James Proimos

James completes twelve tasks while staying with his uncle in Baltimore.

Twelve Kingdoms by Fuyumi Ono

Yoko leads an ordinary life until Keiki takes her away to a magical kingdom.

Twelve Long Months by Brian Malloy

Molly faces huge challenges from the end of her senior year in high school through the beginning of her time at Columbia University.