In fact, you can find any font and practice it, and gradually form your own style. (Even if the brush calligraphy looks pleasing to the eye, the strokes and strokes of hard-pen calligraphy and brush calligraphy are all the same. It’s just that the way of holding the pen is different, and the stroke order is "fast", but the stroke order of regular script and running script is somewhat different. The word "you", The first stroke in running script is vertical, and regular script is horizontal; for the word "和", the second stroke in running script is vertical, and regular script is horizontal.)

No need to buy a book. You can just cut a picture from the Internet and it will take you a long time to practice.

Xu Jinglei has a good reputation in the current entertainment industry. She has a hard-pen font on the computer, called "Xu Jinglei Style". Also available for reference. Quite temperamental.