Yes, Bob Stevens is still around. He won his case which was a big step forward.
Here is his web site – http://www.pitbullvictory.com/
He has also re-printed his DOGS OF VELVET & STEEL book and offers copies for $45 plus shipping.
And he has written another book about his court case, the EPILOGUE which he sells for $25 plus shipping.
Both of those books are on the home page above.
He even still has a few of the old Pit Protection VHS tapes for sale –
http://www.pitbullvictory.com/Additional_Product.html