Men are from Mars, women are from Venus :

Eitemau Tebyg

• Men Are From Mars, Women Are From Venus: Get Seriously Involved with the Classic Guide to Surviving the Opposite Sex
  gan: John Gray
  Cyhoeddwyd: (2012)
• Men are from mars women are from venus
  gan: Gray,John
  Cyhoeddwyd: (2010)
• Men are from Mars women are from Venus: a practical guide for improving communication and getting what you want in your relationship
  gan: Gray, John; Author
  Cyhoeddwyd: (1993)
• Men Are From Mars, Women Are From Venus
  gan: John Gray
  Cyhoeddwyd: (1993)
• Men are from mars and women are from venus
  gan: John Gray