The Heart and the Bottle by Oliver Jeffers
After a loss, a young girl shuts her heart in a bottle to protect it from life's griefs and learns what we lose when we keep our hearts closed.
Goodbye Mog by Judith Kerr
Judith Kerr's beloved Mog, a mischievous, and clumsy tabby cat, has had many adventures over the years, but none so moving as her last. Goodbye Mog is about the death of a pet, rather than a family member. However, this can often be a useful way into larger conversations about death and dying with young children.