“Sharp writing and a plot that throws real teens into a deadly adult world. . . . I loved it and I’m sure fans of Alex Rider will love it too.” ” —Anthony Horowitz, New York Times bestselling author

“Enormously inventive and entertaining.” —Los Angeles Times

Mysterious institute. Contagious virus. Unsolved murder.

Adventure is in Tory Brennan's blood. After all, she’s the grandniece of world-famous forensic anthropologist Temperance Brennan. Always up for a challenge, Tory and her science-geek friends spend their time exploring the marshlands of Loggerhead Island, home to the very off-limits Loggerhead Island Research Institute, where something strange is going on. After rescuing a stray wolfdog pup from a top-secret lab, Tory and her friends are exposed to a rare strain of canine parvovirus, changing them--and their DNA--forever. Now they are more than friends. They are a pack. They are Virals. And they're dangerous to the core. But are they unstoppable enough to catch a cold-blooded murderer?