1. INTRODUCTION
1.1. Low-Mass Eclipsing Binaries
1.2. Stellar Rotation
1.3. Flares
1.4. The HATNet Survey
1.5. Overview of the Paper

2. OBSERVATIONAL DATA
2.1. HATNet Data
2.2. Composite Light Curves
2.3. Selection of the K and M Dwarf Sample

3. SELECTION OF VARIABLE STARS
3.1. Harmonic AoV
3.2. BLS - Search for Eclipses
3.4. Independent Search for Periodic Variables in a Subset of the K/M Dwarf Sample

4. VARIABILITY BLENDING
4.1. Blending From Other Stars With Light Curves
4.2. Blending From Faint Stars Without Light Curves
4.3. Blending Results

5. MATCH TO OTHER CATALOGS
5.1. Match to Other Variable Star Surveys
5.2. Match to ROSAT

6. DISCUSSION
6.1. Eclipsing Binaries
6.2. Rotational Variables
6.3. Flares
6.4. Multi-periodic Variables

7. CONCLUSION