There are 3 books in the Ali Cross series. The newest book is The Secret Detective which came out in 2022.

1
Ali Cross

Book cover of Ali Cross

Alex Cross's son Ali is eager to follow in his father's footsteps as a detective, but when his best friend goes missing, what price will he have to pay to solve the mystery?

Alex Cross
The brilliant DC detective who never gives up on a case.

Ali Cross
The tenacious…

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2
Like Father, Like Son

Book cover of Like Father, Like Son
Alex Cross’s 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 it’s good to have a father in the detective business.
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Ali Cross just solved his first real case.

Alex Cross…

3
The Secret Detective

Book cover of The Secret Detective

School, mysteries, crime-solving - just an ordinary day for Ali Cross!

Ali has helped to solve two big cases and he knows he has what it takes to follow in the footsteps of his famous father, Alex Cross.

Eager to keep solving crimes, Ali and his friends hack into police…