Creating a comprehensive and scientifically robust collection of textbooks for CrossFit requires a focus on various aspects of fitness, training, nutrition, and specific skills relevant to the methodology of CrossFit. Here is a categorized list based on skill and theme:
### 1. **General CrossFit Knowledge**
- **"CrossFit Training Guide"** by Greg Glassman
- **"The CrossFit Level 1 Training Guide"** by CrossFit, Inc.
- **"The CrossFit