Originally posted by Dragon Fire
Presumably "The Killer Grob" by Basman.
Its an average book, not much depth to it but some interesting ideas. It is good enough to get you started on the basic princples on the opening.
The alternative book "The Tactical Grob" by Bloodgood is probably better but more difficult to find. Walls book on the Grob is still in print although somewhat old. ...[text shortened]... a good thing.
I would buy it and try out the Grob. OTB you will get some surprise wins.
If you have ChessBase then try getting the eBook version of The Tactical Grob: http://www.chessville.com/downloads/misc_downloads.htm#TacticalGrob
I haven't looked at this myself but found it yesterday when researching the claim that the 1992 New Zealand champion tried playing the grob or the borg every game in the 1993 championship and only achieved 50%. There may be an element of truth to this claim, as Anthony Ker, the winner of the New Zealand championship in 1990, 92, 93, 94, 2001, 02, 03 and 04, did play the grob on at least one occasion in the 1991 championship: