What are some self-study introductory textbooks for electronic drums?

There are a lot of self-study introductory textbooks for electronic drums, here are some recommendations:

1. "Learning Drums from Scratch" by Meng Xiande. This book has introductory knowledge of the drum set, basic exercises, rhythmic exercises, and the chapters are well articulated, suitable for beginners.

2. "Easy to learn drums" author forgot, anyway, is written by Americans, this book is quite interesting, quite relaxed humor, anyway, not boring.

3. "Electric Drum Self-Teaching Tutorial" This is an in-depth electric drum self-taught introductory textbook, which focuses on simple and easy to understand the expression of the design of the rhythmic pattern through constant practice and let the reader to build up a cognitive understanding of the electric drums, so as to quickly get started on the electric drums to master the playing techniques.