"Tantalizing" and "lively" - "Booklist" Cadets Go! Join this team of darkness-fighting, world-saving, power-packed teen girls from all over the world on their first adventure! Zoe has always felt out of place; her foster parents are great and all, but she's long felt like something was missing. That is, of course, until she discovers a mysterious gem left to her by her birth mother and her whole universe gets flipped around! When the crystal grants Zoe mysterious powers of light she becomes the Diamond Cadet, and she's not the only one; suddenly she's meeting new friends who shoot flames and glowing green arrows. It's all fun at first, but when The Darkness possesses Zoe's foster parents her only choice is to join this wild group of action-hero girls, traveling the globe to defeat The Darkness and find a cure!.