These are very old books. 
Some very old books are called incunabula. These books were made in Europe. They were made before the year 1500. 
Do you like old books? Some very old books have a special name. They are called incunabula. 

There are two main ways to make them. Some were block books. These used a single carved wooden block for each page. Others used movable type. This used small metal pieces for each letter.
Many of these books are very rare. About 550,000 copies are kept in libraries today. Most were printed in the North. There are about 30,000 different editions known. Some books have beautiful drawings. One famous book is the Nuremberg Chronicle. It has about 1,250 copies still in existence. These books help us learn about the past.
Have you ever wondered about the very first books made by machines? These special books are called incunabula. 
There are two main ways these early books were made. Some were called block books. In this method, a printer carved a single wooden block for every page. This is a process called xylography. Other books were made using movable type. This used individual pieces of cast metal for each letter.
History tells us who first used this special name. A Dutch physician named Hadrianus Junius used it in 1569. He wrote about the "first infancy of the typographic art."
There are many amazing facts about these rare treasures. Experts know of about 30,000 different printed editions. 
These books are very different from manuscripts. Manuscripts are documents that were written by hand.
An incunable, or incunabulum, refers to a book, pamphlet, or broadside printed during the earliest stages of European printing. The term specifically describes works produced up to the year 1500. 
There were two primary mechanisms used to produce these early printed works. The first method created block books through a process called xylography. In xylography, a printer carved or sculpted an entire page into a single wooden block. The second method used movable type, which involved individual pieces of cast metal for each letter.
Early printing styles were highly diverse and often reflected local traditions. Many early typefaces were modeled after European Gothic scripts or local handwriting. In Italy, printers often created types based on the calligraphy used by humanists. While many early works were written in Latin to follow medieval traditions, the falling cost of books changed things. As printing became more affordable, vernacular works began to appear. These were books written in the everyday languages of the people rather than in Latin.
The term "incunabula" has a fascinating history rooted in the Latin language. It is the plural form of "incunabulum," which means "swaddling clothes" or "cradle."
Statistical data reveals the immense scale and rarity of these surviving works. Experts have identified approximately 30,000 distinct incunable editions.
Several famous examples help us understand the artistry of this era. The *Nuremberg Chronicle*, printed by Anton Koberger in 1493, is a notable example because it is heavily illustrated. 
As printing matured, it moved into a period known as the post-incunabula era. This period covers the years following 1500, though experts disagree on the exact end date. In England, this period is often cited as 1501 to 1520. In mainland Europe, it may extend to 1540.
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