1. An Overview and Pathophysiology of Liver Diseases 2. Animal Models for Liver Research: History and Relevance 3. Small Animal Models for Studying Liver Regeneration 4. Animal Models of Non-alcoholic Fatty Liver Disease and Non-alcoholic Steatohepatitis 5. Animal Models of Alcoholic Liver Disease 6. Preclinical Models of Liver Fibrosis, Portal Hypertension, Cirrhosis and Failure 7. Small Animal Models of Cholestatic Liver Disease 8. Rodent Animal Models of Hepatocellular Carcinoma 9. Preclinical Models of Liver Disease: The Way Ahead