Lyon’s sonorous words meld with Catalanotto’s dreamy gouache-and-watercolor paintings in this tender lullaby. A mother and father’s faces glow with love as they prepare their little girl for her bedtime. Peek-a-boo, creative play, puzzle work, hide-and-seek and storytime take their places as family early-literacy activities alongside a boisterous bounce on the bed and a soothing bath. Together, mother and father enjoy their daughter thoroughly each step of the way, while the world and its creatures find a parallel peaceful goodnight. Each double-page spread depicts the humans’ activities in glowing, warm hues while blue-gray pigments color a soft-edged stripe at the bottom that shows the animals named in the text. This stripe begins the book just at the lower edge of the page and expands upward with each page turn until finally, in the last spread, it washes over the little girl, including her in its cozy nighttime swirl. Words and images together create a gentle rock-a-bye rhythm, topping off a collaborative effort that should grace all children’s collections. (lyrics and music) (Picture book. 0-3)