The "42-line Bible," also known as the Gutenberg Bible, is one of the earliest major books printed using movable type. Created by Johannes Gutenberg in the 1450s, it marked a significant advancement in the production of books, making them more accessible to the public. The Bible is notable for its high-quality printing and beautiful illustrations, showcasing the craftsmanship of the time. This Bible is called the "42-line Bible" because each page contains 42 lines of text. Only a limited number of copies were produced, making it a rare and valuable artifact today. It represents a pivotal moment in the history of printing and the spread of knowledge in Europe.