E. R. Emmet

A Diversity of Puzzles: Not Only for Experts
    E. R. Emmet
    Harper Collins, New York: 1977
    Paperback. 207 pages.    ISBN 0-06-463463-9     LCCN 77-74701

Brain Puzzler’s Delight
    E. R. Emmet
    Emerson Books, Buchanan, NY: 1978
    Paperback. 256 pages.     LCCN 68-31403

Puzzles for Pleasure
    E. R. Emmet
    Barnes & Noble, New York: 1972
    Paperback. 184 pages.    

Puzzles for Pleasure
    E. R. Emmet
    Bell Publishing, New York: 1972
    Hardcover. 310 pages.    ISBN 0-517-24313-X     LCCN 71-189618