Hardcover. The book "Sleep Neurology" by Lourdes M. DelRosso is a comprehensive guide that delves into the basic and clinical aspects of sleep neurology. Written in English and published by Springer International Publishing, this hardcover book serves as a valuable resource for readers interested in exploring the intricacies of sleep and its impact on neurological functioning. With detailed insights and expert authorship, this book is a must-have for those looking to deepen their understanding of sleep neurology.