[3] She was trained in painting and drawing, and spent a year in England studying woodcutting, manuscript illumination, printing and photogravure.
[4] Her first book illustrations were published in 1929 in Waldemar Bonsels’s The Adventures of Maya the Bee and Ella Young's The Tangle-Coated Horse and Other Tales.
[5] Bock designed posters for the Federal Art Project of the Works Progress Administration during the Great Depression.
[6] Her silkscreen posters have a distinctive appearance similar to woodblocks, dominated by strong solid forms that often show a Germanic influence.
She made a series of posters, History of Civic Services, which are reminiscent of the forms she often used in children's books.