When was Compendium of Materia Medica published? What is the content of this book?

Compendium of Materia Medica was written in the sixth year of Wanli in Ming Dynasty (AD 1578) and published in the twenty-fourth year of Wanli (AD 1596). Book190,000 words, 52 volumes, 16 parts, 62 categories, 1892 drugs. Illustrated with pictures and texts, it is the representative work of China's Materia Medica.