The Secret Detective
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 try to crack the cases themselves.
But when Ali witnesses something horrible, he has to grapple with tough questions about what it means to be a detective and a detective's son. Will Ali find a way to follow in his father’s footsteps . . . or will he be the one in danger’s path?
James Patterson
James Patterson doesn’t just write books—he crafts unforgettable, high-stakes experiences that pull readers into the heart of every twist and turn. Known for his impeccable ability to build tension and create characters with complex moral compasses, Patterson has redefined the thriller genre, earning a place as one of the world’s most successful and influential authors. With over 400 million copies of his books in print globally, his name is nearly synonymous with page-turning suspense.
Ali Cross
In the Ali Cross series, James Patterson takes readers on a pulse-pounding journey through the eyes of a young detective-in-the-making, Ali Cross, who’s determined to follow in his famous father’s footsteps. With a sharp mind and relentless drive, Ali isn’t just trying to solve mysteries—he’s determined to prove he’s got what it takes to catch the bad guys, even if it means stepping into dangerous, uncharted territory.
Ali Cross consists of three books and series is set to expand with the upcoming release of one more book. The current recommended reading order for the series is provided below.

