Math makes for an inspiring new friendship in a story of kindred spirits who bond under a dome of billions of stars. Maddie takes comfort in counting daisy petals and the parallel lines of moonlight pouring through her bedroom blinds. She finds joy in patterns: the black-and-white keys on a piano, the tessellations in a brick pathway. Dad understands and encourages her love of math, but Maddie longs for a friend who marvels with the...