Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Book Talk on Swirl by Swirl, Spirals in Nature Author- Joyce Sidman WIN 20140407 175350. That video is uploaded by Kathy McDonald at 2014-04-07T19:46:35-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [XUjWBEXniMM]