I have always bought Darrell Young*s books on Nikon camera from Nikon D300, D700 to my D800. One of my new interesting fields of photography is long exposure shots with graduated neutral density filter. My real surprise was that in Darrell's book there was no information on B (bulb) speed, neither did my D800 & D800 E Digital field guide mention it. I can't accept that I'm one of few shooting this way. Best regards to Darrell Young for his fine book but I hope he will include this aspect in updated or future books.