Critical reviews of Addonizio's fourth collection of poetry, What Is This Thing Called Love, were mixed. In Publishers Weekly, an anonymous reviewer states that the collection is written in a style that is “two parts confessional, one part standup comedy, and one part talking blues.” The reviewer also notes that “Addonizio's in-your-face persona and her avoidance of technical difficulty should help her attract the wide audience she explicitly invites.” A more favorable review of Addonizio's book was published in Booklist. The reviewer, Donna Seaman, claims that “Addonizio's poems are like swallows of cold, grassy white wine” in that they “go down easy and then, moments later, you feel the full weight of their impact.” Seaman also observes that Addonizio's poems are “finely crafted and irreverent” as well as “timeless in their inquiries into love and mortality.” According to Seaman, the poems are “rife with mystery and...