Bronx middle-grader Addy, who struggles with a family tragedy by drawing maps and studying mazes, joins other city youngsters on a wilderness adventure in California that turns deadly when wildfires erupt.
In 1949 Philadephia, Mary Mouse and an orphan named Caro embark on an adventure when they team up to expose criminals and make the Cherry Street Orphanage a safe haven for mice.
It has been a year since newly orphaned Peter and his pet fox Pax, now a protective father, have seen each other, but their paths cross again when Pax's kit falls desperately ill forcing him to turn to the one human he knows he can trust.
In World War II England, orphaned siblings William, Edmund, and Anna are evacuated from London to live in the countryside, where they bounce from home to home in search of someone willing to adopt them permanently.