Ali Cross
A young detective's quest to find his missing friend uncovers unexpected dangers.
Book Series · 3 Books
In order from Ali Cross to The Secret Detective.
The Ali Cross series is a set of 3 chapter books by James Patterson, published between 2019 and 2023. Written for ages 8–14, most books run about 320 pages.
A young detective's quest to find his missing friend uncovers unexpected dangers.
3 books · Published 2019–2023
A young detective's quest to find his missing friend uncovers unexpected dangers.
A young detective faces danger as he uncovers secrets to protect a friend.
Young detective Ali faces danger and tough choices after witnessing a crime.
There are 3 books in the Ali Cross series. It began with Ali Cross in 2019, and the newest book, The Secret Detective, was published in 2023.
Start with Ali Cross and follow the series order — the books above are numbered #1 through #3.
The series is best for ages 8–14, based on the age ranges of the individual books.
Ali Cross (Book #1) is the longest book in the series at 47,503 words (336 pages).
The Secret Detective is the shortest at 38,084 words (272 pages).
The people who bring Ali Cross to life.
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