Monthly visiting teaching messages are found in the Ensign and Liahona magazines and on the official Church website, LDS.org.
2011:
April: The Purpose of Relief Society
May: Pick a message from the General Conference talks
June: Strengthening Families through Temporal Self-Reliance
July: Come to the Temple and Claim Your Blessings
August: A Society of Holy Women
September: Strengthening Families by Increasing Spirituality
October: "If We Do Not Doubt" by Julie Beck
November: Choose a message from the October General Conference talks
December: "An Extesive Sphere of Action"
