Picture Book Story Time
Books about Grief

The Rabbit Listened by Cori Doerrfeld

A Terrible Thing Happened by Margaret M. Holmes

Swimmy by Leo Lionni

Resources for talking to children about mass shootings:
An Age-by-Age Guide to Talking to Children About Mass Shootings from The New York Times
How to talk to kids about shootings – Picture books that help from Books for Littles
Books to Read with Kids After a Tragedy from We Are Teachers