spanning from annals and chronicles to vital legal documents, aiming to bring the medieval era to life in a comprehensible manner. The opening of the book introduces the author's motivations for creating this sourcebook based on his teaching experience. Ogg expresses a need for a structured collection that could assist history teachers and students at various academic levels, noting the absence of similar compilations. He outlines the characteristics and selections included, emphasizing narrative accounts as beneficial for younger students while ensuring the inclusion of significant documents crucial to understanding medieval history. The introduction sets the stage for the subsequent chapters by discussing the nature and importance of historical sources and how they contribute to a deeper understanding of the past. (This is an automatically generated summary.)