When Claire LaZebnik came to New York last week to celebrate the publication of her latest novel, The Smart One and the Pretty One, the book party quickly turned into a family gathering. LaZebnik (second from right) was joined by her three sisters—Sabrina writer Nell Scovell, Julie Kaufman, and kid’s book author Alice Coleman—as well as her cousin, Jane Weitzman (the wife of shoe designer Stuart Weitzman, at whose Columbus Circle showroom the reception was held).

Then there was Conan O’Brien, who isn’t actually related to LaZebnik, but did graduate in the same class at Harvard (a year behind her husband, Simpsons writer Rob LaZebnik).