"The Orbis Pictus" by Johann Amos Comenius is a textbook published in 1658. This groundbreaking work became the first widely used children's textbook with pictures, combining copperplate illustrations with bilingual text across 150 chapters. Covering subjects from nature and zoology to religion and human activities, it revolutionized education by introducing visual learning methods. Originally published in Latin and German, it spread rapidly across Europe and defined children's education for centuries, establishing principles still used in modern teaching.