Sneak Peek! Child Stars: Then & Now

Find out where Kirk Cameron, Blossom's Mayim Bialik, the Charles in Charge girls and more child stars are in this excerpt from PEOPLE's new book, in stores June 23!

KIRK CAMERON

Now: Cameron coproduces and stars in the Christian radio and TV talk show The Way of the Master. "It's a way to say, 'Hey, I understand where you're coming from, but think about this,' " says Cameron, 39, who married actress Chelsea Noble in 1991, and has six children, four of them adopted. He starred in the 2008 Christian-based drama Fireproof.