A prolific writer, he has authored dozens of books and resources, including best seller, A Decembered Grief: Living with Loss When Others are Celebrating. Also among his titles are Griefkeeping: Learning How Long Grief Lasts; ABCs of Healthy Bereavement; Grievers Ask, When You Don’t Know What to Say; When Your Friend Dies; Finding Your Way to Say Goodbye: Comfort for the Dying and Those Who Care for Them; and Grieving the Death of a Father. His newest book is Using Biographical and Historical Grief Narratives With the Bereaving (Routledge). He is also an authority of the griefs of American Presidents and First Ladies.