He doesn't have a Heal the World album. There is a song with that named that is on the Dangerous album from 1991.
In 2001 he said "Heal the World" is the song he is most proud to have created. He also created the Heal the World Foundation, a charitable organization which was designed to improve the lives of children. The organization was also meant to teach children how to help others. This concept of 'betterment for all' was the centerpiece for the Dangerous World Tour.
That is my favorite album of all time. :)