Soon after being recruited by the mysterious Mrs. Boudica to join a secret military intelligence operation, Josie, Mae, and Akiko discover their superhero abilities and use them to thwart a Nazi plot to steal the ENIAC computer.

When the draft board calls on the eve of World War II, Roman leaves behind a career in minor-league baseball to join the army, and finds himself driving a tank in the North African campaign.

Jay Thacker is used to being called names because his dad is half Navajo. But he gets a chance at a new life and a new identity when he and his mom move to the small town of Delta, Utah, to live with Jay's grandfather. In Delta, Jay can convince everyone, and maybe even himself, that his dad --who is missing in action-- as he fights in WWII is really a POW and military hero, and not gone forever. As the summer wears on and Jay finds himself growing...

Thirteen-year-olds Bertie Bradshaw of London and American Eleanor Shea team up to decipher a coded notebook and stop a double agent from revealing secrets about the upcoming D-Day invasion.