Kids' questions, pope's answers offer lots to think about.
By Pope Francis
Kind boy tries to cheer up sister in funny, relatable story.
By Henry Winkler, Lin Oliver
Funny, relatable tale of 6-year-old with wild imagination.
By Abby Hanlon
Sensitive imagining of day slaves learned they were free.
By Angela Johnson
Sweet tale of adopted sibling and her loving older sister.
By Andrea Cheng