Non-fiction
Healing After Loss: Daily Meditations for Working Through Grief by Martha Whitmore Hickman
When Bad Things Happen to Good People by Harold Kushner
The Happiness Project by Gretchen Rubin (don't read this in the early days--I was about six months out)
Memoirs
Resilience by Elizabeth Edwards
An Exact Replica of a Figment of My Imagination by Elizabeth McCracken
The Year of Magical Thinking by Joan Didion
Grief by C. S. Lewis
Comfort: A Journey Through Grief by Ann Hood
Fiction
Anne's House of Dreams by L. M. Montgomery
Harry Potter by J. K. Rowling (especially books 4-7)
Maisie Dobbs by Jacqueline Winspear
The Hunger Games by Suzanne Collins
Tear Soup (a children's book) by Pat Schweibert