Complete works of Bernard M. L. Ernst (4)

1. 1930 Houdini’s Escapes (preface) · Preface to Walter B. Gibson’s account of Houdini’s escape techniques, prepared from Houdini’s private notebooks with Ernst’s assistance as the magician’s attorney and literary executor
2. 1932 Houdini and Conan Doyle: The Story of a Strange Friendship · Co-authored with Hereward Carrington
3. 1932 Houdini’s Magic · Co-authored with Walter B. Gibson, compiling Houdini’s magic-trick methods from his private papers
4. 1933 Mathemagic: Magic, Puzzles and Games with Numbers (preface) · Preface to Royal Vale Heath’s book of numerical magic tricks and puzzles this record