Al Bennett reading up on the Cengalo in "Extreme Alpine Rock". By date the first coffee table type books include "Im Schweren Fels" (1960?), "The Mont Blanc Massif" (1973 in UK), "Hard Rock" (1974). Others may be aware of earlier books with this format?

you could maybe date the pic by the car number plate I think it is an Halifax reg and the L would give you the year

I do know the dates, it was my book he was reading. The Land Rover belonged to the late Dave Booth and his wife Judy