Book excerpt: This book reviews the state-of-the-art in stem-cell-based therapies for neurodegenerative diseases, and highlights advances in both animal models and clinical trials. It comprehensively discusses most neurodegenerative diseases, including such as Parkinson's, Alzheimer's and Huntington’s diseases, amyotrophic sclerosis, multiple sclerosis, muscular dystrophy and retinal degeneration, in which stem cells could potentially be used for therapy in the future. It also addresses the challenges and problems relating to the translation of stem-cell-based therapies into treatments. As such, the book will appeal to research scientists, physicians, graduate students, and medical professionals in the field of stem cells, neuroscience, neurology, neurorestoratology and major neurological disorders.