Which innovative book packaging format, introduced in 1935, revolutionized publishing by making books more affordable and accessible through compact, lightweight design?

Throughout publishing history, certain book packaging innovations have revolutionized how we interact with literature. From dust jackets to specialized binding techniques, publishers have used innovative packaging to attract readers, protect books, and enhance the reading experience. This trivia explores a groundbreaking packaging innovation that transformed the publishing industry and made books more accessible to the masses. Test your knowledge of how packaging design has shaped literary history!

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Penguin Paperbacks, with their standardized size, affordable price point, and iconic three-panel color-coding system
Folio Society Editions, with their handcrafted leather bindings and specialized slip cases
Franklin Library First Editions, with their gold-embossed covers and archival-quality paper
Dover Thrift Editions, with their minimalist design and stripped-down production values