Originally published in 1921, this book presents the content of a series of lectures on the Year Books delivered in the University of London at the request of the Faculty of Laws. The text gives a concise introduction to the Year Books, providing information on their role in the development of the English legal system and importance as historical documents. Three lectures are contained and an introduction is also included. This book will be of value to anyone with an interest in the Year Books, law reports and legal history.