LEWIS, Angelo John (1839-1919) (?Professor Hoffman?). A pair of titles, including: Modern Magic. New York: George Routledge & Sons, [n.d.]. Illustrated throughout. Publisher?s blue-grey cloth stamped in gilt and black (rubbing to boards, front and rear hinge starting, wear to page edges). Later edition. ? ROBERT-HOUDIN, Jean-Eugene. Secrets of Conjuring and Magic. London: George Routledge & Sons, [n.d.]. Edited by Professor Hoffman. Publisher?s red cloth stamped in gilt (rubbing to boards, sunning to spine, front hinge starting, toning throughout). Fifth edition. ? Both 8vos.