The Spenser Series is a collection of detective novels written by author Robert B. Parker. The series features the character Spenser, a private investigator based in Boston, known for his sharp wit and strong moral code. The first book, The Godwulf Manuscript, was published in 1973, and the series has since gained a loyal following. Spenser often collaborates with his friend, Hawk, and navigates various cases that involve crime, personal relationships, and social issues. The series is notable for its engaging dialogue and exploration of themes such as loyalty and justice, making it a significant contribution to the crime fiction genre.