Can anyone recommend a book for a women losing her husband to cancer. Encouragement maybe?

I'd look at nutritional books, perhaps.. the China study.

Final Gifts. Excellent book to help deal with the dying and understanding some things they may be saying and expressing in word and action

Barnes and Noble has a good selection of books covering death and dyin. I would recommend checking with the ladies at the desk or any employee for that matter.

Try "Widow's Might" or "Healing a Spouse's Grieving Heart: 100 Practical Ideas After Your Husband Or Wife Dies"