According to The Hollywood Reporter, Fox has picked up the rights to Adena Halpern's book 29: A Novel.
The story follows a 75-year-old woman that is super focused with remaining young. On her birthday, she makes a wish to be 29 again, "just for one day, and when it comes true, she teams with her young granddaughter to embark on an adventure. Meanwhile, the woman's middle-aged daughter and 75-year-old best friend believe her to be kidnapped and set out on their own escapade."
The book came to stores June 15. At present, there is no director or writer is attached to this project.