Is the calligraphy title so-and-so book right?

It must be wrong. It is a sign of ignorance. Anyone who makes such a signature is a person with limited level. A certain book will do. What does it mean to add a word after the signature? So-and-so wrote this word Isn't it just a matter of writing? You add this verbosity to show that you can write classical Chinese? Inscription is the best way to express a person's true level. If the level is high and the layout is sufficient, you can write a long poem inscription. If the level is not too high, learn from others and pay poor money, such as XXX, or XXX, X years X months. If you are famous, you can ask a bigger question.