1. INTRODUCTION  
2. WFC3 OBSERVATIONS  
2.1. CANDELS GOODS-S Observations  
2.2. Early Release Science WFC3 Mosaic in Goods-South  
2.3. BoRG  
3. CATALOG GENERATION  
4. CANDELS AND ERS CALIBRATION CATALOGS  
4.1. CANDELS and ERS Photometry  
4.2. Morphological Identification of Stars  
4.3. M-Dwarf NIR Color-Color Selection  
4.4. Sub-typing M-dwarfs  
6. DISCUSSION  
6.1. The North-South Divide  
6.2. A Local Over-Density of M-dwarfs  
6.4. Thin Disk Scale Height  
6.5. L and T Dwarfs  
7. CONCLUSIONS