Experimental Investigation of the Spirit Manifestations Demonstrating the existence of spirits and their communion with mortals. Doctrine of the spirit world respecting heaven, hell, morality, and God. Also, the influence of Scripture on the morals of Christians.

"Experimental Investigation of the Spirit Manifestations" by Robert Hare is a book that explores the realm of Spiritualism. The author, a scientist, shares experiments designed to prove that spirits exist and can communicate with people. He connects these ideas to morality, the afterlife, and the effect of spiritual beliefs on people. Hare starts by telling readers about his background and how he plans to use his experiments to reveal insights about spiritual events. He mentions messages he's gotten from spirits and describes the tools he used in his research. The book creates a blend of science and philosophy, pulling readers into conversations about our world and the spiritual one, while preparing for investigations into life, death, and good and bad behavior.