08/05/2010 08:01 am ET | Updated May 25, 2011

Danica McKellar Shows Off Baby Bump (PHOTO)

Danica McKellar, formerly Winnie Cooper on 'The Wonder Years,' promoted her book 'Hot X: Algebra Exposed' at a New York Borders store Wednesday night. She majored in math at UCLA and has previously written the best-seller 'Math Doesn't Suck: How to Survive Middle-School Math without Losing Your Mind or Breaking a Nail.'

McKellar, 35, is expecting her first child with Mike Verta this fall.