Why the 1930s, you check with? The invention of Penguin paperback books, not surprisingly! This new mass market place needed book covers to be both equally simple to acknowledge and easy to reproduce. In reaction, Fujita “adjusted the colour to burgundy and additional a funereal black border into the jacket.” https://share.evernote.com/note/65ef8aca-54c9-1304-2263-2d48a0c3dbde