A perceptive portrait ... In Sullivan's easy, unadorned style, The Engagements is a delightful marriage of cultural research and literary entertainment ... Sullivan handles all the details elegantly, and the situations are surprisingly distinct ... For all her sharp wit and insight into the agony of failed relationships, Sullivan's no cynic. The novel's final wedding transcends the craziness and the extravagance and the bickering. Against all odds, it represents something genuinely eternal about the love between two people -- Ron Charles The Washington Post The Engagements is a rollicking, entertaining read and a thought-provoking one too. Several of the characters' voices have stayed in my head, and even days after putting it down I am left with a sturdy, hopeful sense of the fundamental goodwill of people and the abiding power of love ... [I] am certain it will be one of this summer's big hits -- Lindsey Mead Huffington Post The Engagements ... opens in 1947 with ad-agency copywriter Frances Gerety ... Struggling to find a last-minute tagline for De Beers, she scribbles down 'A Diamond Is Forever' and promptly falls asleep. For Frances, a lifelong bachelorette, it's just marketing - her boss points out that the phrase isn't even grammatically correct. But Engagements' other characters show how much her tossed-off idea came to define diamonds as the ultimate symbol of love and commitment ... [Sullivan is] a born storyteller. Like its mineral muse, Engagements shines -- Leah Greenblatt Entertainment Weekly