In this sentimental tale of a beloved friendship that spans years and distance, Evelyn is Daniela's best friend, her "número uno," and when she moves away, Daniela is heartbroken and fearful of the inevitable change. When this dynamic duo gets a chance to play their usual games of pretend and imagination in Evelyn's new home, Daniela realizes that their treasured bond supersedes any barriers to friendship. Medina's earnest, poignant words are accompanied by Sánchez's vivid, earth-toned illustrations that depict Evelyn and Daniela playing, their families' affection for one another, and the energetic, youthful spirit that both girls possess. The story line is honest and genuine, encompassing the emotional roller coaster of a best friend moving away, and as readers watch the friends grapple with the new reality and cope with temporary grief, they'll also witness both girls embracing a relationship that time and space cannot tear apart.