"Heartifacts" brings hope and inspiration to people in dire need of both: people who have borne unfathomable loss. Maggie Horgan has already shared her unique story as a speaker before hundreds of families and professionals at hospitals, support groups and memorial services in her home state of Pennsylvania. Her message is fresh, timeless, and enlightening, despite the anguish she and her children have survived. Like too many others, her family has faced a loss that none should have to bear: the loss of a child.

In 2001, Maggie's firstborn son, Neil, lost his life to cancer. Drowning in...