What are five books?

Sun Tzu's Art of War, Taigong, Sima Fa, Woods and Wei Liaozi.

Five calligraphy books: seal script, official script, running script, cursive script and regular script.

Five phonological works: Phonology, Poetic Original Phonology, Yi Phonology, Tang Yunzheng and Ancient Phonology Table.

Five Confucian classics: Query on Learning Rites, Book of Rites, Merchants of Rites, Distinguishing Right from Wrong by Zhou Officials, and Essays on Learning the Spring and Autumn Period.

The Five Books of Moses: Genesis, Exodus, Leviticus, Household Registration, Deuteronomy.

Four Books and Five Classics: The four books are: The Analects of Confucius, Mencius, University and The Doctrine of the Mean.

The Five Classics refer to The Book of Songs, Shangshu, Book of Rites, Zhouyi and Chunqiu, which are referred to as "Poems, Books, Rites, Changes and Chunqiu" for short. Prior to this, there was a Book of Music, which was called Poems, Books, Rites, Music, Change, Spring and Autumn. These six books were also called the Six Classics.