Raegan Revford wrote their debut novel, ‘Rules for Fake Girlfriends,’ on set of ‘Young Sheldon,’ and fans can read it when it hits shelves on Sept. 2. Revford just wrapped filming her return as Missy in season 2 of ‘Georgie & Mandy’s First Marriage’ (returning to CBS on Thursday, Oct. 16), and explains why it’s unlikely onscreen brother Iain Armitage (aka Sheldon Cooper) will pop up on the spinoff.
