1. Introduction
2. Data
3. The Selection of \( \mathbf{z} > 6.5 \) Galaxies
4. Detected \( \mathbf{z} > 6.5 \) Galaxies
5. Mean Properties of Hawk-I \( \mathbf{z} \sim 7 \) Galaxies
6. The Evolution of the LF
7. Constraints on the LBG Number Density at \( z \sim 8 \)
8. Summary and Conclusions