As co-owner of the elegant Four Seasons Restaurant in New York City, Alex von Bidder has seen his share of manners on display — both good and bad. He drew on that experience to write “Wiggens Learns His Manners at the Four Seasons,” a children’s book on being charming and well-mannered.

He and Martha chatted about the book and the Four Seasons Restaurant.

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Alex von Bidder gives etiquette advice from his new children’s book.