Hacker's guide would be a good start... and any of the QUE Mastering- series.

>Greetings All,
>
>I've a friend who's new to VFP and was wondering what are some really good books to recommend. I've a few, however they're from much earlier versions of FP (2.5). Open to opinions, so let me know what you think :)
>
>Thanks for your help,
>
>Vernon