Which innovative packaging approach for religious texts was first introduced in the 1960s specifically to appeal to younger readers?

Throughout history, religious texts have undergone fascinating transformations in their physical presentation. From ancient scrolls to modern digital formats, the packaging and presentation of sacred writings reveal much about cultural values, technological capabilities, and philosophical approaches to spirituality. This trivia question explores an interesting aspect of how religious texts have been marketed and packaged for different audiences over time.

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The "Living Bible" with contemporary language and paperback format
Illuminated manuscripts with decorative gold leaf designs
Pocket-sized prayer books with leather binding
Audio recordings of religious texts on vinyl records