Here is a news article about the Coastal Bend Thunder team which played in the United League in 2010:
The North American League does not have the Thunder on their 2011 schedule, nor has any other any league mentioned adding any team playing games in Robstown, TX where the Thunder played last year.
There are several good books about the independent professional baseball leagues. You are welcome to see a list of suggestions through this link: Books Get notified of upcoming independent baseball tryouts from either of these services: first service or the second service. Prospective players can find some helpful resources here We will be providing a growing list of possibly helpful tips and suggestions on various baseball information. This will range from "how to" information about baseball skills all the way to helpful information for casual baseball fans. Please click the link for more information: Tips And How To Information