With codewords and secret signals perfected, best friends Rachel and Joon are ready to spend their summer practicing spycraft, especially if they can uncover secrets like the one Joon's parents have been keeping, that his family is about to move out of town. When eavesdropping leads them to a ring rumored to have belonged to Anna "Nancy" Smith Strong, according to local Long Island legend, the only female member of George Washington's famed Culper...

Eighteen-year-old River Lang struggles after the death of his best friend and reluctantly joins a research study for struggling teens where he confronts his complex relationship with Dylan's ex, develops feelings for a charismatic jock, and uncovers unsettling truths about the study.

Soon after Cruz, Sailor, Emmett, and Lani return for their second year at Explorer Academy, their sense of calm is shattered when Sailor's older sister goes missing. Amidst incredible expeditions to far-flung destinations and competitive classes, Sailor bravely steps into the lead to discover how her sister's sudden disappearance may be linked to an illegal and deadly animal-trafficking ring. Despite winning the prestigious North Star Award and being...

"When Jordyn Jones transfers to Edgewood High, it's her opportunity to forget everything that happened at her old school. To forget what she and her friends did. To forget who she used to be. That was a different person ― this is a fresh start. Now she's someone new, someone better. Except it's the very first day of school, and somehow everyone already seems to know who she is. But Jordyn soon finds a group of friends, and she even starts talking...