What books (specialized courses) do you need to prepare for calligraphy postgraduate entrance examination? Better be specific!

This kind of books generally have an introduction to art, art history, calligraphy history, calligraphy theory, various styles of calligraphy creation, etc! But you have to learn from the subjects you apply for, and they will announce the subjects you want to take, so that you can prepare the book. There are related introductions in my space, so you can go and have a look!