Brad Meltzer is the New York Times bestselling author of Heroes for My Son, Heroes for My Daughter, and a number of suspense novels like The Lightning Rod. He is also the host of the History Channel television shows Brad Meltzer's Decoded and Brad Meltzer's Lost History (in which he helped find the missing 9/11 flag). He lives in Florida with his wife and their three children.

Christopher Eliopoulos began his illustration career at Marvel Comics, and has worked on thousands of comics, including his own Cow Boy and Franklin Richards: Son of a Genius. He is the author and illustrator of the picture books The Yawns Are Coming! and The Giggles Are Coming! and the graphic novels Cosmic Commandos and Monster Mayhem. He lives in New Jersey with his wife and their college-graduate twin sons (who also make an appearance in each Ordinary People Change the World book). - (Penguin Putnam)