The book list provided below is a good resource for if there is a death or divorce in your family.

Books about death and grief

Lifetimes:The Beautiful Way to Explain Death to Children(kids 5+)

The Invisible String(kids 3+)

I'll Always Love You(kids 3-7)

The Saddest Time(kids 6-9)

Books about divorce

Two Homes

Dinosaurs Divorce:A Guide for Changing Families

My Family's Changing

When My Parents Forgot to Be Friends