Oliver Sir Lodge's 'Life and Matter: A Criticism of Professor Haeckel's Riddle of the Universe' is a thought-provoking exploration of the philosophical and scientific concepts surrounding life and matter. Lodge delves into the intricate relationship between these two fundamental aspects of existence, offering a scholarly critique of Professor Haeckel's theories. The book is written in a concise and articulate style, making it accessible to readers interested in the intersection of biology and philosophy in the late 19th century. As a prominent physicist and philosopher of his time, Oliver Sir Lodge's background in both science and philosophy uniquely positioned him to engage in a critical analysis of Professor Haeckel's ideas. His diverse expertise shines through in 'Life and Matter', showcasing a depth of knowledge and insight that enriches the reader's understanding of the complex subject matter. I highly recommend 'Life and Matter' to readers who are eager to explore the intellectual debates surrounding the nature of life and matter in the late 19th century. Lodge's meticulous examination of Professor Haeckel's work offers valuable insights and prompts readers to contemplate the profound implications of these foundational concepts.