I want to practice calligraphy after retirement. What courses do you recommend?

It is a good choice to practice calligraphy after retirement. Here are some recommended tutorials:

1. Ou Yangxun Regular Script: This is a classic in the history of calligraphy in China and an important teaching material for learning regular script.

2. Yan Zhenqing's Running Script: Yan Zhenqing's running script is famous for its grandeur and rich brushwork, which is suitable for people who like running script to learn.

3. Wang Xizhi's Preface to Lanting Collection: This is one of the most famous works in the history of calligraphy in China, and it is also a good material for practicing running script and cursive script.

4. Basic Calligraphy Course: This is an introductory textbook suitable for beginners, which introduces the basic knowledge and skills of calligraphy in detail.

5. Online video tutorial: There are many online courses offered by calligraphy masters, and you can search for relevant video learning online.

In addition, you can take part in calligraphy training classes or find an experienced calligraphy teacher to guide you, so that you can improve your calligraphy level faster. Remember to keep practicing, write more and practice more to make progress.