It's not good-looking, and I want to write beautiful and fair fonts. How can I write well? Do you have any copybooks to recommend?

Do you want a hard pen Copybook for calligraphy or a soft pen Copybook for calligraphy?

Hard pen Copybook for calligraphy, Sima Yan and Tian Yingzhang are the best.

Soft pen Copybook for calligraphy is divided into many fonts.

Cao Quanbei is the best official script.

Regular script is the best in Yan Zhenqing.

Wang Xizhi and Zhao Mengfu are the best running scripts.