In the book, Hassell provides not only bibliographic information but also insights into the lives and works of the authors included, offering brief descriptions or contextual notes where relevant. The collection reflects the state's literary landscape at the time, with attention to works that had been published up to 1915. It serves as an important historical document, cataloging the literary achievements of Washington authors during a period of growth in the region.The book's significance lies in its contribution to preserving the literary history of Washington and fostering an appreciation for regional authors. It also offers a snapshot of the state's cultural and intellectual climate during the early 20th century. For researchers, bibliophiles, and anyone interested in Pacific Northwest literature, A Hundred and Sixty Books by Washington Authors remains a noteworthy reference work.