A rare full set of 12 color lithographs, April Quarter series published by The Standard Publishing Company in 1963. The lithographs represent Biblical scenes and portraits of children. The artworks were execured by Francis Hook, 1913-1983, who was an American artist best known for her religious-themed pastels used as commercial illustrations for advertisements. Standard is a Christian publishing that specializes in church education materials. Collectible Mid Century Christian Graphic Art.