Pro Baseball AI 2006 - 5 books Pro Baseball AI 2007 - 2 books Thank you for viewing. *These items are completely used books. We have confirmed that the contents are generally in good condition, but there may be oversights. As they are old, there may be some light soiling or wrinkles typical of used books. Some of the books were purchased from used bookstores. There may be traces of price tags having been removed. Please be sure to understand this before purchasing.