The Green Book: Or Gleanings From The Writing Desk Of A Literary Agitator is a book written by John C. O'Callaghan. This book is a collection of essays, articles, and speeches that were written by the author in the early 20th century. The essays cover a wide range of topics, including politics, literature, culture, and society.The author was a literary agitator who used his writing to agitate for social and political change. He was a strong advocate...