Ali Cross is back in the gripping sequel to Ali Cross, the best-selling mystery that introduced readers to detective Alex Cross' son. In Ali's toughest case ever, his friend Zoe is in trouble after Ali and his friends witnessed a crime in Anacostia Park, and it's up to Ali to figure out why Zoe is lying to the police-and who she's protecting.

The #1 bestselling kid detective is back! Mysteries, crime-solving, homeroom—all in a day's work for Ali Cross.

Ali Cross has always looked up to his father, the famous detective Alex Cross. And after helping to solve two big cases, Ali knows he has what it takes to follow in his father's footsteps. Eager to keep solving crimes, Ali and his friends hack into police calls and go to crime scenes to watch the detectives at work—and...