http://www.compassionatefriends.org/resources/available_brochures.aspx -- all of their material, for free, on-line.
Important, all of these can be obtained through interlibrary loan, for free. Because what will connect for you, and what will not, is extremely personal, don't buy any book you haven't read through the library for free first.
The Grief Recovery Handbook, 20th Anniversary Expanded Edition: The Action Program for Moving Beyond Death, Divorce, and Other Losses including Health, Career, and Faith by John W. James and Russell Friedman (Paperback - Mar 3, 2009)
When Children Grieve: For Adults to Help Children Deal with Death, Divorce, Pet Loss, Moving, and Other Losses by John W. James, Russell Friedman, and Dr. Leslie Matthews (Paperback - Jun 4, 2002)
The Seven Principles for Making Marriage Work by John Gottman and Nan Silver (Paperback - Nov 2, 2004)
When God Doesn't Make Sense by James C. Dobson (Paperback - Aug 31, 1997)
124 Used & new from $0.01