Two editions of Art Spiegelman’s graphic novel “Maus,” about his parents’ experiences during the Holocaust, have become bestsellers after being banned by a Tennessee school board recently. “The Complete Maus” (1996) and “Maus I: A Survivor’s Tale: My Father Bleeds History” (1986) broke onto Amazon’s top 20 list over the weekend and, as of Monday morning, hold the No. 2 and No. 3 spots on the bestseller list, respectively. Peter Schweizer’s “Red-Handed: How American Elites Get Rich Helping China Win” is currently perched in the No. 1 spot. Spiegelman’s books are in limited supply and not available for delivery from...