Millard writes in the prayerful voice of a child addressing a parent, or a loved one addressing the beloved...With a story that suggests a flight from violence but does not dwell on it, adults can explain as much or as little to young readers as they are ready to hear.
—Publishers Weekly

Though the sophisticated and ambiguous text makes “lullaby” a misnomer, this is, nevertheless, a powerful catalyst for discussions of war and its consequences and for ways to help those in need. Best shared one-on-one.
—School Library Journal

They can even speak for all refugees. “I / You / We,” the text reads as King illustrates our globe itself, suspended in space, on the final page. It’s as if the very words in this book bloom; with each page turn, they open their arms wider to include more of the world. It’s an enigmatic, wondrous poem, this text.
—Kirkus Reviews (blog)

Lyrical.
—Kirkus Reviews