1. 1
    by Byrnes, M. P.
    Published 1939
    Book
  2. 2
    by Raum, Elizabeth
    Published 2011
    Book
  3. 3
  4. 4
    by Strowger, Susan, 1965-
    Published 1995
    Book
  5. 5
    by Williams, Martin H.
    Published 1993
    ...Science puzzle aid...
    Book