Books
The first books were and precious. They were written by hand which took a very very long time. Then a machine called a printing press was invented. Most books are made of paper and cardboard.
Various types of books:
Textbooks: For students to learn
Cooking books: For people to learn cooking
Computing books: For people to learn about computers and latest information technology
Dictionary: For people to look up for words that the people don't know.
Encyclopedia: Read various types of topic that's about.
Storybooks: Read your favourite stories!