Spiritualism, first published in 1853, caused an instant controversy as it detailed the conversion of New York judge John W. Edmonds and physician George T. Dexter to spiritualist practices, with Dexter even becoming a medium. Volume 2, published in 1855, recounts Dexter's further spiritual development as a 'speaking medium'.

A two-volume account from 1853 1855 detailing the controversial conversion to spiritualism of a prominent American judge and a physician.