. "A Coloring book story about Mary & Johnny's letters to their grandparents"@en . "A Coloring book story about Mary & Johnny's letters to their grandparents" . . . . . . . . . . . . . . . . . . . . "United States." . . . . "Postal service." . . "Postal service United States." . . "United States Postal Service." . . "United States Postal Service. Denver Division." . .