In ‘A Defence of Modern Spiritualism, ‘ Alfred Russel Wallace, co-founder of the theory of evolution through natural selection, embarks on a critical examination of spiritual phenomena and the burgeoning spiritualist movement of the late 19th century. Wallace employs a rational and scientific lens to explore various instances of mediumship, psychic occurrences, and the interplay between science and the inexplicable. His eloquent literary style reflects a harmonious blend of scientific inquiry and philosophical contemplation, positioning his work as a vital discourse within the wider context of the Victorian era’s fascination with paranormal experiences and the search for life’s ultimate purpose. Alfred Russel Wallace, a naturalist and explorer, was deeply influenced by the spiritualist ideas that circulated during his lifetime. Having spent many years studying the natural world and grappling with questions of existence, Wallace sought to synthesize his scientific background with the spiritual insights garnered from his explorations. His position as a pioneer of evolutionary thought often intersected with his belief in the potential realities of spiritualism, making his defense both a personal endeavor and a scientific investigation. For readers intrigued by the intersections of science, philosophy, and the supernatural, Wallace’s ‘A Defence of Modern Spiritualism’ is an indispensable text. This book will not only challenge preconceived notions of spirituality in the context of science but also compel readers to ponder the deeper mysteries of existence, making it a timeless and thought-provoking piece.