"Front lawns are where homeowners tell the world who they are - a garden or a birdbath signifies nature-loving, a gnome or flamingo means whimsical, and a tall hedge says privacy, please.

When the lawn is in the Hamptons and the man in question is Barnes & Noble chairman Leonard Riggio, the message is clear: I collect. As he stands on a very green patch of grass, surrounded by a group of sculptures that would make major museums jealous, Riggio revels in what he and his wife of 37 years, Louise, have assembled. "This garden does have a bit of wow factor," he says. Riggio, known to all as Len, is underplaying for effect, and the barest hint of a smile creeps onto his face."

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