Alex Crosss son Ali is an accomplished mystery-solver and #1 bestseller. A crime at a concert near his school sparks his newest investigation, and it gets dangerous fast. Sometimes its good to have a father in the detective business. ALEX CROSS is a genius detective. ALI CROSS is following in his father's footsteps. When Ali sees a friend get hurt, hes the best person to find out who did it. Even if he's only a kid. After all, hes Alex Cross's son. Solving crimes runs in the family.