The book ""Theories Worth Having: And Other Papers"" was written by Francis Edgar Stanley and was first published in 1919. The book is a collection of essays and papers on various topics related to science, philosophy, and literature. The author presents his thoughts on the importance of having theories and the role they play in shaping our understanding of the world around us. He also discusses the value of skepticism and critical thinking in the pursuit of knowledge. The book contains a range of topics, including the nature of reality, the meaning of life, the philosophy of science, and the role of literature in our lives. The author draws on his extensive knowledge of literature, philosophy, and science to provide a thought-provoking and insightful analysis of these topics. The book is a must-read for anyone interested in exploring the intersection of science, philosophy, and literature.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.