Younger by Pamela Redmond Satran

Younger : Paperback : SIMON & SCHUSTER : 9781416505587 : 141650558X : 05 Jul 2005 : Alice, a 44-year-old divorcee with a daughter, passes for a 20-something in her new job at a publishing house and searches for the fountain of youth when she meets a handsome man also in his 20s.