Conservative writer Jerome Corsi is taking his second swing at President Obama, this time with a book asking questions about Obama's birthplace.

The forthcoming book, titled "Where's the Birth Certificate? The Case That Barack Obama Is Not Eligible to Be President," is being promoted at the website Corsi's "Obama Nation" hit number one on the New York Times bestseller list in August 2008. He previously coauthored "Unfit for Command: Swift Boat Veterans Speak Out Against John Kerry."

Corsi's promotional video:

Via Taylor Marsh.