Undocumented: A Worker’s Fightby Duncan Tonatiuh; illus. by the authorMiddle School, High School    Abrams ComicArts    24 pp. 8/18    978-1-4197-2854-9   $19.99 “You don’t know our names but you’ve seen us.” The accompanying illustration is of Juan, an undocumented immigrant, with one hand raised in a fist and the other holding a megaphone from which...