NEW YORK, NY--(Marketwire - May 13, 2011) - HarperCollins Publishers and Woozworld announced today the launch of virtual books in Woozworld, the fastest growing online tween and teen community, as part of a pilot program to promote books and reading. This is the first time that books will be featured in Woozworld, the COPPA compliant alternative for teens and tweens who want to enjoy social networks.