>Can someone tell me are there any free e-book for Visual Fox Pro on Internet?

I don't know of any complete eBook, but here are some collections of articles and partial books.

http://www.levelextreme.com/Live/Article5.asp
http://www.west-wind.com/Articles.asp
http://www.hentzenwerke.com/samplechapters/zsamplechapters.htm
http://fox.wikis.com/wc.dll?Wiki~VFPBooksOnline