This bubble map shows the printed page and illustrated German book, from which there are 4 aspects to demonstrate this book, like origin, typology, printing method, and developments. As for the origin, writers of the seventeenth century adopted the word incunabula to designate printed books. Albrech Pfister began illustrating books with woodcuts. Printers increased the use of illustrations with wooden blocks. For more information, check this bubble map, and try to make yours now.